JPH052896B2 - - Google Patents

Info

Publication number
JPH052896B2
JPH052896B2 JP58210228A JP21022883A JPH052896B2 JP H052896 B2 JPH052896 B2 JP H052896B2 JP 58210228 A JP58210228 A JP 58210228A JP 21022883 A JP21022883 A JP 21022883A JP H052896 B2 JPH052896 B2 JP H052896B2
Authority
JP
Japan
Prior art keywords
hot water
heating
water supply
proportional control
control valve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
JP58210228A
Other languages
Japanese (ja)
Other versions
JPS60101446A (en
Inventor
Yoshuki Adachi
Hiroshi Kawasaki
Shozo Takemura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP58210228A priority Critical patent/JPS60101446A/en
Publication of JPS60101446A publication Critical patent/JPS60101446A/en
Publication of JPH052896B2 publication Critical patent/JPH052896B2/ja
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N1/00Regulating fuel supply
    • F23N1/08Regulating fuel supply conjointly with another medium, e.g. boiler water
    • F23N1/082Regulating fuel supply conjointly with another medium, e.g. boiler water using electronic means
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2225/00Measuring
    • F23N2225/08Measuring temperature
    • F23N2225/18Measuring temperature feedwater temperature
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2233/00Ventilators
    • F23N2233/02Ventilators in stacks
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00Valves, nozzles or pumps
    • F23N2235/12Fuel valves
    • F23N2235/14Fuel valves electromagnetically operated
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2235/00Valves, nozzles or pumps
    • F23N2235/12Fuel valves
    • F23N2235/18Groups of two or more valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23NREGULATING OR CONTROLLING COMBUSTION
    • F23N2237/00Controlling
    • F23N2237/02Controlling two or more burners

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)

Description

【発明の詳細な説明】 産業上の利用分野 本発明は2缶2水式給湯暖房機の湯温制御装置
に関するものである。
DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a hot water temperature control device for a two-can, two-water type hot water heater.

従来例の構成とその問題点 従来の2缶2水式給湯暖房機の湯温制御装置
は、給湯側に比例制御弁を用い給湯湯温を比例制
御で安定させており、暖房側は電磁弁を複数個用
い、Hi−Lo−OFF燃焼により湯温制御する方式
が主流であつた。いわゆる、給湯器と暖房機を
各々一つの箱体に組込んだだけの複合商品であ
り、コスト面で非常に高くなつていた。
Configuration of conventional example and its problems The hot water temperature control device of the conventional 2-can 2-water hot water heater uses a proportional control valve on the hot water supply side to stabilize the hot water temperature through proportional control, and a solenoid valve on the heating side. The mainstream method was to use multiple units to control the hot water temperature using Hi-Lo-OFF combustion. This is a so-called composite product that simply incorporates a water heater and a space heater into a single box, and is extremely expensive.

第1図に従来例の構成概略図を示す。 FIG. 1 shows a schematic diagram of the configuration of a conventional example.

1は給湯用熱交換器で給水口1a及び給湯口1
bに接続されている。2は暖房用熱交換器で温水
戻口2a及び温水往口2bに接続されている。
1 is a heat exchanger for hot water supply, which has a water supply port 1a and a hot water supply port 1.
connected to b. 2 is a heating heat exchanger connected to a hot water return port 2a and a hot water outlet 2b.

暖房用温水通路にポンプ3と膨脹タンク4及び
バイパス管5を設け暖房温水通路を構成する。
A pump 3, an expansion tank 4, and a bypass pipe 5 are provided in the heating hot water passage to constitute the heating hot water passage.

膨脹タンク4には溢水管6が接続されている。
前記各々の熱交換器1,2には排気筒7が接続さ
れている。
An overflow pipe 6 is connected to the expansion tank 4.
An exhaust pipe 7 is connected to each of the heat exchangers 1 and 2.

燃料通路は元電磁弁SVo8から分岐して、給湯
用電磁弁SVw9と比例制御弁PSV10を通して、
給湯用バーナ11に、暖房Lo用電磁弁SVL12
と暖房Hi用電磁弁SVH13とバイパス通路14
を通して、暖房用バーナ15に接続して構成され
ている。
The fuel passage branches from the original solenoid valve SVo8 and passes through the hot water supply solenoid valve SVw9 and the proportional control valve PSV10.
The heating Lo solenoid valve SV L 12 is attached to the hot water supply burner 11.
and heating Hi solenoid valve SV H 13 and bypass passage 14
It is configured to be connected to the heating burner 15 through the heating burner 15.

前記給湯用熱交換器1の出口に給湯用サーミス
タ16を設け、そのサーミスタ信号を比較器17
と湯温設定器18の信号で比例制御弁駆動部19
を動作させ、出湯温を一定にするように、比例制
御弁10を動作させ、給湯用バーナ11の燃焼量
を制御する。
A hot water supply thermistor 16 is provided at the outlet of the hot water supply heat exchanger 1, and the thermistor signal is sent to a comparator 17.
The proportional control valve drive unit 19 receives the signal from the hot water temperature setting device 18.
The proportional control valve 10 is operated to control the combustion amount of the hot water supply burner 11 so as to keep the hot water temperature constant.

一方、暖房用熱交換器2の出口に暖房用サーミ
スタ20を設け、そのサーミスタ信号で21の暖
房湯温調節回路を動作させ、暖房Lo用電磁弁1
2と暖房Hi用電磁弁13を動作させ、暖房用バ
ーナ15の燃焼量を制御し、暖房湯温を一定にな
るように制御する。
On the other hand, a heating thermistor 20 is provided at the outlet of the heating heat exchanger 2, and the heating water temperature control circuit 21 is operated by the thermistor signal, and the heating Lo solenoid valve 1
2 and the heating Hi solenoid valve 13 are operated to control the combustion amount of the heating burner 15 and control the heating water temperature to be constant.

各々の湯温を制御する為に、燃料通路構成部品
も多く、また、給湯用及び暖房用の各々に湯温制
御の為の回路が必要となる為、コストが高くなつ
ている。
In order to control the temperature of each hot water, there are many fuel passage components, and a circuit for controlling the hot water temperature is required for each of hot water supply and heating, which increases the cost.

発明の目的 本発明は上記欠点に鑑み、部品点数及び回路を
少なくして、給湯・暖房の湯温を安定に制御する
湯温制御装置をコスト安価に提供しようとするも
のである。
OBJECTS OF THE INVENTION In view of the above drawbacks, the present invention aims to provide a hot water temperature control device that stably controls the hot water temperature for hot water supply and heating at low cost by reducing the number of parts and circuits.

発明の構成 この目的を達成するために、本発明の給湯暖房
機の湯温制御装置は、元電磁弁と比例制御弁を直
列接続し、各々のバーナに分岐して給湯用電磁弁
と暖房用電磁弁を設け、給湯用熱交換器の出口に
設けた給湯用サーミスタ及び暖房用熱交換器の出
口に設けた暖房用サーミスタの信号を各々の比較
器を通して一つの比例制御弁駆動部に入力し、か
つ給水検知素子が給湯水を検知すると暖房用電磁
弁を閉じて給湯用サーミスタの信号を受ける比較
器だけを通して前記比例制御弁駆動部に入力し、
その比例制御弁駆動部の信号で、前記比例制御弁
を駆動させ、前記バーナの燃焼量を制御するよう
に構成されている。
Composition of the Invention In order to achieve this object, the hot water temperature control device for a hot water heater according to the present invention connects a main solenoid valve and a proportional control valve in series, branches to each burner, and connects a solenoid valve for hot water supply and a solenoid valve for heating. A solenoid valve is provided, and the signals from the hot water supply thermistor installed at the outlet of the hot water supply heat exchanger and the heating thermistor installed at the heating heat exchanger outlet are inputted to one proportional control valve drive unit through each comparator. , and when the water supply detection element detects hot water supply, the heating solenoid valve is closed and the signal is input to the proportional control valve drive unit through only the comparator that receives the signal from the hot water supply thermistor;
The proportional control valve is driven by a signal from the proportional control valve driving section, and the combustion amount of the burner is controlled.

この構成によつて、一つの比例制御弁駆動部で
比例制御弁を動作させることにより、燃焼量を制
御して、給湯用サーミスタ及び暖房用サーミスタ
の信号により、各々の湯温を比例制御することが
できるので湯温を安定にできる。
With this configuration, the combustion amount is controlled by operating the proportional control valve with one proportional control valve drive unit, and each hot water temperature is proportionally controlled by the signals from the hot water supply thermistor and the heating thermistor. This allows you to keep the water temperature stable.

また、部品点数及び回路共通化によりコスト安
価にでき、目的を達成することができる。
In addition, the cost can be reduced due to the number of parts and common circuits, and the purpose can be achieved.

実施例の説明 以下、本発明の一実施例について、図面に基づ
いて説明する。
DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings.

第2図は本発明の構成概要図である。 FIG. 2 is a schematic diagram of the configuration of the present invention.

1は給湯用熱交換器で給水口1a及び給湯口1
bに接続されており、給水側通路に給水を検知し
て信号を出す給水検知素子22を有する。
1 is a heat exchanger for hot water supply, which has a water supply port 1a and a hot water supply port 1.
b, and has a water supply detection element 22 in the water supply side passage that detects water supply and outputs a signal.

2は暖房用熱交換器で温水戻口2a及び温水往
口2bに接続されている。暖房用温水通路にポン
プ3と膨脹タンク4及びバイパス管5を設けると
共に、前記膨脹タンク4には溢水管6を有する。
2 is a heating heat exchanger connected to a hot water return port 2a and a hot water outlet 2b. A pump 3, an expansion tank 4, and a bypass pipe 5 are provided in the heating hot water passage, and the expansion tank 4 has an overflow pipe 6.

前記各々の熱交換器1,2には排気筒7が接続
され、フアン羽根24を有する強制排気フアンモ
ータ23を設け、排気ガイド25を通して排気口
26に燃焼排気ガスを排出するように構成する。
An exhaust pipe 7 is connected to each of the heat exchangers 1 and 2, and a forced exhaust fan motor 23 having fan blades 24 is provided to discharge combustion exhaust gas to an exhaust port 26 through an exhaust guide 25.

また、燃焼用空気を給気口27から供給できる
ようにケース28の一部に形成してある。
Further, a part of the case 28 is formed so that combustion air can be supplied from the air supply port 27.

燃料通路は、元電磁弁Svo8と比例制御弁10
を直列接続し、給湯用電磁弁SVW9を通して給湯
用バーナ11に接続し、暖房用電磁弁SVH13を
通して暖房用バーナ15に分岐して接続する。
The fuel passage is the original solenoid valve Svo8 and proportional control valve 10.
are connected in series, connected to the hot water supply burner 11 through the hot water supply solenoid valve SV W 9, and branched and connected to the heating burner 15 through the heating solenoid valve SV H 13.

前記給湯用熱交換器1の出口に設けた給湯用サ
ーミスタ16の信号とリモコンなどの湯温設定器
18の信号を比較器17で比較演算して比例制御
弁駆動部19を動作させ、前記比例制御弁10を
動作させ、給湯用バーナ11の燃焼量を制御し
て、出湯温を一定となるように湯温制御するよう
に構成し、一方、前記暖房用熱交換器2の出口に
設けた暖房用サーミスタ20の信号と、湯温設定
器30の信号を比較器29で比較演算して、前記
比例制御弁駆動部19を動作させ、前記比例制御
弁10を動作させ、暖房用バーナ15の燃焼量を
制御して、暖房温水を一定に湯温制御するように
構成してある。
A comparator 17 compares and calculates a signal from a hot water supply thermistor 16 provided at the outlet of the hot water heat exchanger 1 and a signal from a hot water temperature setting device 18 such as a remote controller, and operates a proportional control valve drive unit 19 to operate the proportional control valve drive unit 19. The control valve 10 is operated to control the combustion amount of the hot water supply burner 11 to control the hot water temperature so that the hot water temperature is constant. A comparator 29 compares and calculates the signal from the heating thermistor 20 and the signal from the hot water temperature setting device 30 to operate the proportional control valve drive section 19, operate the proportional control valve 10, and operate the heating burner 15. The heating hot water temperature is controlled to be constant by controlling the amount of combustion.

給湯用電磁弁9と暖房用電磁弁13は、各々の
湯温制御をする時に開弁するように構成してあ
る。
The hot water supply electromagnetic valve 9 and the heating electromagnetic valve 13 are configured to open when each hot water temperature is controlled.

動作を説明すると、 給湯口1bに接続された給湯せん(図示せず)
を開けると、給水検知素子2に給水を検知して、
給湯運転シーケンスが動作するように構成されて
おり(図示せず)強制排気フアンモータ23が回
転する。元電磁弁8、給湯用電磁弁9、比例制御
弁10を開弁させ、燃料に着火、保持させる。
(着火・保持手段は特に図示せず) 給湯用バーナ11が燃焼することにより、給湯
用熱交換器1が熱せられ、給湯口1bより出湯さ
れる。その出湯温度を給湯用サーミスタ16で検
知し、比較器17で湯温設定器18で設定された
湯温となるように、比例制御弁駆動部19を動作
させ、比例制御弁10を動作させ、給湯用バーナ
11の燃焼量を制御する。
To explain the operation, a hot water heater (not shown) connected to hot water inlet 1b
When opened, the water supply detection element 2 detects water supply,
The hot water supply operation sequence is configured to operate, and the forced exhaust fan motor 23 (not shown) rotates. The main solenoid valve 8, the hot water supply solenoid valve 9, and the proportional control valve 10 are opened to ignite and hold the fuel.
(The ignition/holding means is not particularly shown in the drawings.) When the hot water supply burner 11 burns, the hot water supply heat exchanger 1 is heated, and the hot water is discharged from the hot water supply port 1b. The hot water temperature is detected by the hot water supply thermistor 16, and the comparator 17 operates the proportional control valve drive unit 19 and operates the proportional control valve 10 so that the hot water temperature becomes the hot water temperature set by the hot water temperature setting device 18. The combustion amount of the hot water supply burner 11 is controlled.

一方、暖房温水通路には、温水往口2bと温水
戻口2aの先端に、暖房用放熱器及び温水加熱に
よる風呂追焚用熱交換器(図示せず)を接続して
ある。
On the other hand, in the heating hot water passage, a heating radiator and a bath reheating heat exchanger (not shown) are connected to the tips of the hot water outlet 2b and the hot water return port 2a.

暖房用の運転信号をスイツチなど(図示せず)
を「入」にすると、ポンプ3と強制排気用フアン
モータ23が回転する。
Switch heating operation signal, etc. (not shown)
When turned on, the pump 3 and forced exhaust fan motor 23 rotate.

元電磁弁8、暖房用電磁弁13、比例制御弁1
0を開弁させ、燃料に着火、保持させる。(着
火・保持手段は特に図示せず) 暖房用バーナ15が燃焼することにより、暖房
用熱交換器2が熱せられ、温水往口2bを通して
暖房用放熱器などへ温水が循環供給される。
Original solenoid valve 8, heating solenoid valve 13, proportional control valve 1
0 is opened to ignite and hold the fuel. (The ignition/holding means is not particularly shown.) When the heating burner 15 burns, the heating heat exchanger 2 is heated, and hot water is circulated and supplied to a heating radiator or the like through the hot water outlet 2b.

その循環温水温度を暖房用サーミスタ20で検
知し、比較器29で湯温設定器30で設定された
湯温となるように、比例制御弁駆動部を動作させ
比例制御弁10を動作させ、暖房用バーナ15の
燃焼量を制御する。
The temperature of the circulating hot water is detected by the heating thermistor 20, and the comparator 29 operates the proportional control valve drive unit to operate the proportional control valve 10 so that the hot water temperature reaches the temperature set by the hot water temperature setting device 30. The combustion amount of the burner 15 is controlled.

給湯用電磁弁9と暖房電磁弁13を切替える為
には、給水検知素子22の信号を切替方式とし、
給水検知素子22が動作した時に、給湯電磁弁9
を開弁し、暖房電磁弁13を閉弁するように構成
してある。
In order to switch between the hot water supply solenoid valve 9 and the heating solenoid valve 13, the signal of the water supply detection element 22 is used as a switching method,
When the water supply detection element 22 operates, the hot water supply solenoid valve 9
It is configured to open the heating solenoid valve 13 and close the heating solenoid valve 13.

比例制御弁10は、ダイヤフラムを用いた圧力
制御弁部を有するもので、電磁弁により圧力を制
御する方式のものが本実施例では有効である。
The proportional control valve 10 has a pressure control valve section using a diaphragm, and a type in which the pressure is controlled by an electromagnetic valve is effective in this embodiment.

比較器17と29を同一とし、給湯用サーミス
タ16と暖房用サーミスタ20を同一定数とする
と有効である。
It is effective to make the comparators 17 and 29 the same, and to make the hot water supply thermistor 16 and the heating thermistor 20 the same constant number.

発明の効果 以上のように本発明は、比例制御弁10から分
岐させて、給湯用バーナ11と暖房用バーナ15
を設け、一つの比例制御弁駆動部19で各々の熱
交換器の湯温制御をすることができる。
Effects of the Invention As described above, the present invention provides a hot water supply burner 11 and a heating burner 15 that are branched from the proportional control valve 10.
The water temperature of each heat exchanger can be controlled by one proportional control valve driving section 19.

(1) 給湯・暖房共、一つの比例制御弁で燃焼量を
制御して湯温制御するので湯温の安定化が図れ
る。
(1) For both hot water supply and heating, a single proportional control valve controls the combustion amount and hot water temperature, making it possible to stabilize the hot water temperature.

(2) 特に暖房湯温が比例制御で湯温制御できるの
で従来のHi−Lo−OFF制御による湯温制御に
比べて、省エネルギ化が図れる。
(2) In particular, since the heating water temperature can be controlled by proportional control, energy savings can be achieved compared to conventional hot water temperature control using Hi-Lo-OFF control.

(3) 燃料通路の部品点数が少なく、湯温制御回路
が一つとなる為、コスト安価となる。
(3) There are fewer parts in the fuel passage and there is only one hot water temperature control circuit, resulting in lower costs.

(4) 給湯暖房機などの設備商品としてのシステム
価格が安価となる為、極めて実用効果が大き
い。
(4) The system price for equipment products such as water heaters and heaters is low, so the practical effect is extremely large.

【図面の簡単な説明】[Brief explanation of drawings]

第1図は従来例の構成概略図、第2図は本発明
の一実施例を示す構成概略図である。 1……給湯用熱交換器、2……暖房用熱交換
器、8……元電磁弁、9……給湯用電磁弁、10
……比例制御弁、13……暖房用電磁弁、11…
…給湯用バーナ、15……暖房用バーナ、16…
…給湯用サーミスタ、17……比較器(給湯用)、
19……比例制御弁駆動部、20……暖房用サー
ミスタ、29……比較器(暖房用)。
FIG. 1 is a schematic diagram of the configuration of a conventional example, and FIG. 2 is a schematic diagram of the configuration of an embodiment of the present invention. 1... Heat exchanger for hot water supply, 2... Heat exchanger for heating, 8... Original solenoid valve, 9... Solenoid valve for hot water supply, 10
...Proportional control valve, 13... Solenoid valve for heating, 11...
...Hot water supply burner, 15...Heating burner, 16...
...Thermistor for hot water supply, 17... Comparator (for hot water supply),
19... Proportional control valve drive unit, 20... Thermistor for heating, 29... Comparator (for heating).

Claims (1)

【特許請求の範囲】[Claims] 1 2個の熱交換器を有し、一方が瞬間湯沸器を
構成して給湯用に、他方がポンプで温水循環する
瞬間湯沸器を構成して追焚用、暖房用として構成
し、元電磁弁と比例制御弁を直列接続し、かつ前
記湯沸器の熱交換器にのぞませたバーナの各々に
分岐して給湯用電磁弁及び暖房用電磁弁を設け、
給湯用熱交換器の出口に設けた給湯用サーミスタ
及び暖房用熱交換器の出口に設けた暖房用サーミ
スタの信号を各々の比較器を通して一つの比例制
御弁駆動部に入力し、かつ給湯用の給水を給水検
知素子が検知すると暖房用電磁弁を閉じて給湯用
サーミスタの信号を受ける比較器だけを通して前
記比例制御弁駆動部に入力し、その比例制御弁駆
動部の信号で前記比例制御弁を駆動させて前記バ
ーナの燃焼量を制御するように構成してなる2缶
2水式給湯暖房機の湯温制御装置。
1. It has two heat exchangers, one of which constitutes an instantaneous water heater for hot water supply, and the other constitutes an instantaneous water heater that circulates hot water using a pump for reheating and heating, A main solenoid valve and a proportional control valve are connected in series, and a solenoid valve for hot water supply and a solenoid valve for heating are provided branching to each of the burners facing the heat exchanger of the water heater,
The signals from the hot water thermistor installed at the outlet of the hot water heat exchanger and the heating thermistor installed at the outlet of the heating heat exchanger are input to one proportional control valve drive unit through each comparator, and When the water supply detection element detects water supply, the heating solenoid valve is closed, and the signal is input to the proportional control valve drive section through only the comparator that receives the signal from the hot water supply thermistor, and the signal from the proportional control valve drive section drives the proportional control valve. A hot water temperature control device for a two-can, two-water type hot water heater and a hot water heater configured to be driven to control the combustion amount of the burner.
JP58210228A 1983-11-08 1983-11-08 Hot water temperature control device for 2-can 2-water hot water heater Granted JPS60101446A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58210228A JPS60101446A (en) 1983-11-08 1983-11-08 Hot water temperature control device for 2-can 2-water hot water heater

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58210228A JPS60101446A (en) 1983-11-08 1983-11-08 Hot water temperature control device for 2-can 2-water hot water heater

Publications (2)

Publication Number Publication Date
JPS60101446A JPS60101446A (en) 1985-06-05
JPH052896B2 true JPH052896B2 (en) 1993-01-13

Family

ID=16585902

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58210228A Granted JPS60101446A (en) 1983-11-08 1983-11-08 Hot water temperature control device for 2-can 2-water hot water heater

Country Status (1)

Country Link
JP (1) JPS60101446A (en)

Also Published As

Publication number Publication date
JPS60101446A (en) 1985-06-05

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