JPH0432058Y2 - - Google Patents
Info
- Publication number
- JPH0432058Y2 JPH0432058Y2 JP6968187U JP6968187U JPH0432058Y2 JP H0432058 Y2 JPH0432058 Y2 JP H0432058Y2 JP 6968187 U JP6968187 U JP 6968187U JP 6968187 U JP6968187 U JP 6968187U JP H0432058 Y2 JPH0432058 Y2 JP H0432058Y2
- Authority
- JP
- Japan
- Prior art keywords
- fish
- floating body
- cage
- floating
- floating bodies
- 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
Links
- 241000251468 Actinopterygii Species 0.000 claims description 45
- 238000009313 farming Methods 0.000 claims description 12
- 235000015170 shellfish Nutrition 0.000 description 6
- 238000003902 seawater pollution Methods 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000009360 aquaculture Methods 0.000 description 3
- 244000144974 aquaculture Species 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 239000011513 prestressed concrete Substances 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 239000004567 concrete Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000009372 pisciculture Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Farming Of Fish And Shellfish (AREA)
Description
【考案の詳細な説明】
〔考案の利用分野〕
本考案は魚介類の蓄用或いは養殖装置、より詳
しくは、生簀の改良に関するものである。[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to a storage or aquaculture device for fish and shellfish, and more specifically, to an improvement of a fish pen.
従来の生簀は、沿岸からかなりの沖合に設置さ
れ、生簀が沈まないように多数のフロートを設
け、更に、生簀が海流によつて流されないように
海底におもりを設け、係留ロープで繋いでいた。
Conventional fish cages are installed far offshore from the coast, and are equipped with numerous floats to prevent the fish pens from sinking.Additionally, to prevent the fish pens from being washed away by ocean currents, weights are placed on the seabed and tied together with mooring ropes. .
そして通常は、１個の生簀には１種類の魚介類
を収容することが多く、そのために多種類の魚介
類を収容する場合には、多数の生簀を海面に所定
の間隔をもつて複数個並べることによつて生簀群
を形成していた。 Usually, one type of fish and shellfish is often housed in one fish tank, so when storing many types of fish and shellfish, multiple fish cages are placed at predetermined intervals on the sea surface. By arranging them, they formed a cage group.
しかし、このような従来の生簀は、周囲に多数
のフロートを配置して所定の間隔をもつて海上に
浮遊させた状態なので、かなりの広い海域を必要
とする上、生簀の下方には多数の係留ロープが設
けられているため、漁船が接近したり作業を行う
のが困難であり、安全上も問題があつた。 However, such conventional fish cages have a large number of floats placed around them and are suspended on the sea at predetermined intervals, so they require a fairly wide area of water, and there are many floats below the fish cage. The provision of mooring ropes made it difficult for fishing boats to approach and perform operations, which also posed safety issues.
そして、この生簀へ魚介類を収容したり、取り
出したりする作業は、生簀から遠く離れた漁船の
上から行う必要があり、揺動する漁船上で煩雑な
作業を強いられていた。 The work of storing and removing fish and shellfish from the fish tank has to be carried out from a fishing boat far away from the fish pen, which is a tedious task carried out on a rocking fishing boat.
また、沖合に設置されているため岸壁からは必
ず船で往復しなければならず、時間的、経済的に
も好ましくなく、荒天の場合には、流失したり破
損する恐れがあつた。 In addition, since it was installed offshore, it had to be transported back and forth from the quay by boat, which was unfavorable in terms of time and economy, and there was a risk of it being washed away or damaged in stormy weather.
更に、複数の係留ロープで海底に係留されてい
るため、赤潮等の海水汚染が発生した場合、生簀
を安全な場所に移動する作業が困難な上、長時間
を要していた。 Furthermore, because they are moored to the seabed with multiple mooring ropes, in the event of seawater pollution such as red tide, it is difficult and takes a long time to move the fish cages to a safe location.
本考案は、前記従来の生簀の有する問題点を解
消するものであつて、風波に対して比較的安全な
岸壁に接近させて、高密度に生簀を設置すること
ができると共に、漁船が接岸できて安全な蓄用
（一時的な備蓄）作業或いは養殖作業ができる蓄
養装置を提供することを第１の目的とする。
The present invention solves the above-mentioned problems with conventional fish cages, and allows fish cages to be installed at a high density close to a quay wall that is relatively safe from wind and waves. The first object of the present invention is to provide a farming device that allows safe stockpiling (temporary stockpiling) or aquaculture work.
更に、第２の目的は、赤潮等の海水汚染に対し
て速やかに安全海域に移動させることのできる蓄
養装置を提供することである。 Furthermore, a second object is to provide a farming device that can be quickly moved to a safe area against seawater pollution such as red tide.
前記目的を達成するための本考案は、複数の浮
体の相互間に網状の生簀の上部を支持させると共
に、ガイドレールを介して前記浮体間から引出し
及び装着可能にしたことを特徴とするものであ
る。
To achieve the above object, the present invention is characterized in that the upper part of the net-like fish cage is supported between a plurality of floating bodies, and can be pulled out and attached from between the floating bodies via guide rails. be.
前記浮体は、内部に補強材を有する水密構造の
鋼板又は鋼板とコンクリートの複合製、或いは合
成樹脂製で形成され、通常は長方形の箱状とし、
一個の大きさは例えば、幅約３ｍ、深さ約２ｍ、
長さ約20ｍの大きさのものが使用される。 The floating body is made of a watertight steel plate having a reinforcing material inside, a composite of steel plate and concrete, or a synthetic resin, and is usually in the shape of a rectangular box,
The size of one piece is, for example, about 3 m wide, about 2 m deep,
A size approximately 20m long is used.
浮体と浮体の間隔は、生簀の幅よりやや広い間
隔が保持される。そして、この浮体は、杭を海底
に打設し、この杭に前記浮体の一部を摺動自在に
係合させることによつて、潮の干満による上下動
に支障のないようにする。また、浮体の係留は、
アンカーチエンにすることも可能である。 The spacing between the floating bodies is kept slightly wider than the width of the cage. This floating body is made to move up and down due to the ebb and flow of the tide without any hindrance by driving a pile into the seabed and slidably engaging a part of the floating body with the pile. In addition, the mooring of floating bodies is
It is also possible to use it as an anchor chain.
更に、この複数の浮体間には、作業者が通行す
るための渡り橋が所定の間隔をもつて設けられ
る。また、岸壁に近いところでは、岸壁と浮体間
にも渡り橋を設ける。 Furthermore, bridges for workers to pass through are provided at predetermined intervals between the plurality of floating bodies. In addition, near the quay, a bridge will be installed between the quay and the floating structure.
前記浮体間に設置される網状の生簀は、長方形
の箱形状とし、長さは複数個に分割してもよい。
そして、上縁部の長手方向に多数のガイドローラ
を所定の間隔に設け、前記浮体の長手方向上部に
設けたガイドレールと係合させることによつて、
浮体の長手方向に移動可能とする。 The net-like fish cage installed between the floating bodies may have a rectangular box shape, and may be divided into a plurality of lengths.
By providing a large number of guide rollers at predetermined intervals in the longitudinal direction of the upper edge and engaging with guide rails provided at the upper longitudinal direction of the floating body,
The floating body can be moved in the longitudinal direction.
このガイドローラは生簀を長手方向に移動させ
ると共に、生簀を支持するものであつて、生簀の
揺動に対して脱落せず、十分な強度を有すること
が必要である。 This guide roller moves the fish cage in the longitudinal direction and supports the fish cage, and must have sufficient strength so as not to fall off when the fish cage swings.
また、生簀の上縁部周囲には、多数のフロート
を設け、生簀を浮体から引出したとき沈下しない
ようにする。 Further, a large number of floats are provided around the upper edge of the fish cage to prevent the fish cage from sinking when pulled out from the floating body.
更に、生簀の下方周囲には、多数の沈子（おも
り）が取り付けられ、生簀が常に海中に垂下し魚
介類の活動に支障のないようにする。 Furthermore, a large number of sinkers (weights) are attached around the lower part of the fish tank so that the fish cage always hangs down into the sea without interfering with the activities of the fish and shellfish.
こうして浮体、生簀、浮体の順序に並べて形成
された一組の蓄養装置は、更に複数組の蓄養装置
を横方向に並べるか、長手方向に並べるか或いは
これらを組合せることによつて、大規模な蓄養装
置を形成することができる。 A set of farming equipment formed by arranging floating bodies, fish pens, and floating bodies in this order can be further constructed on a large scale by arranging multiple sets of farming equipment horizontally, longitudinally, or by combining these. It is possible to form a storage device.
そして、赤潮等の海水汚染が発生したときは、
生簀の一方を漁船或いは曵船で把持し、長手方向
に引出し、浮体から離脱させた生簀、又は浮体を
含む一組の蓄養装置全体を、そのまま安全な海域
に曳航することができる。 When seawater pollution such as red tide occurs,
One side of the fish tank is gripped by a fishing boat or a tugboat, pulled out in the longitudinal direction, and the fish cage or the entire set of farming equipment including the floating body can be towed as is to a safe sea area.
次に第１〜１１図を参照して本考案の実施例を
説明する。
Next, embodiments of the present invention will be described with reference to FIGS. 1 to 11.
第３図は蓄用装置１の平面図であつて、浮体２
は第６図に示すように、内部材に鋼板４を用い、
外部材にプレストレストコンクリート３を用いた
耐蝕性の優れた複合製構造のものであつて、第
３，４，６図に示すように内面に所定の間隔で補
強材８を有する隔壁７と補強材５を設ける。 FIG. 3 is a plan view of the storage device 1, and shows the floating body 2.
As shown in Fig. 6, steel plate 4 is used as the internal material,
It has a composite structure with excellent corrosion resistance using prestressed concrete 3 as the external material, and as shown in FIGS. 5 will be provided.
浮体２の内部は空間６を有し、全体は水密構造
とする、そして、一個の大きさは、幅３ｍ、深さ
２ｍ、長さ20ｍとする。 The interior of the floating body 2 has a space 6, and the entire structure is watertight, and each piece has a width of 3 m, a depth of 2 m, and a length of 20 m.
浮体２を海面に浮かべたとき、海面から浮体２
の上面までの高さは、漁船５０の接岸に最も適し
た高さになるようにする。この高さは、通常0.5
ｍとする。 When floating body 2 floats on the sea surface, floating body 2
The height to the top surface of the fishing boat 50 is set to be the most suitable height for the fishing boat 50 to come to the shore. This height is typically 0.5
Let it be m.
そして、浮体２は生簀２０を間に挟んで二組を
一対として構成される。この二組の浮体２の向か
い合つた側面上部には、長手方向に断面Ｔ字形で
補強材４１を有するガイドレール４０が設けられ
る。 The floating bodies 2 are configured as two sets with the fish tank 20 in between. Guide rails 40 having a T-shaped cross section and having reinforcing members 41 in the longitudinal direction are provided at the upper portions of opposing sides of the two sets of floating bodies 2.
更に、第３，４図に示すように、浮体２の上面
には複数の係船柱４６が設けられると共に、前記
ガイドレール４０の反対面には複数の合成ゴム製
の防舷材４７が設けられ、漁船５０の接舷に支障
のないようにする。 Furthermore, as shown in FIGS. 3 and 4, a plurality of mooring columns 46 are provided on the upper surface of the floating body 2, and a plurality of synthetic rubber fenders 47 are provided on the opposite surface of the guide rail 40. , to ensure that there is no hindrance to the fishing boat 50 coming alongside.
これらの浮体２の相互間には、アクセス用の渡
り橋４５が所定の間隔で設けられる。そして、第
１，２図のように長手方向に複数組の蓄用装置１
を連続させて設置する場合は、その相互間にも渡
り橋４５を設け、更に図示しないが、岸壁に近い
場合には、岸壁からも渡り橋４５を設けことがで
きる。 Access bridges 45 are provided between these floating bodies 2 at predetermined intervals. As shown in FIGS. 1 and 2, a plurality of sets of storage devices 1 are arranged in the longitudinal direction.
If they are installed in succession, a bridge 45 is also provided between them, and although not shown, if it is close to a quay, a bridge 45 can also be provided from the quay.
杭１０は、浮体２を係留する装置として海底Ｇ
に打設したものであつて、一個の浮体２に対して
両端付近に各一本宛設けると共に、浮体２に設け
た係留金具１１によつて、浮体２は杭１０に係留
される。 The pile 10 serves as a device for mooring the floating body 2 on the seabed G.
The floating body 2 is moored to the pile 10 by means of mooring fittings 11 provided on the floating body 2, one each near both ends of each floating body 2.
この係留金具１１は、第１１図に示すように、
浮体２の側面に杭１０を挟むように二個の取付部
材１４を設け、チエン１２の一端をこの取付部材
１４の一方に固定し、他方を、もう一つの取付部
材１４に着脱自在なシヤツクル１３を介して、杭
１０を緩く包囲する如く係止したものである。 This mooring fitting 11, as shown in FIG.
Two mounting members 14 are provided on the sides of the floating body 2 so as to sandwich the pile 10, one end of the chain 12 is fixed to one of the mounting members 14, and the other end is detachably attached to the other mounting member 14. It is secured so as to loosely surround the pile 10 through the.
従つて、浮体２は杭１０に対して係留、離脱が
容易に行えると共に、潮位の上下による浮体２の
上下移動に対し、摺動が可能である。 Therefore, the floating body 2 can be easily moored to and detached from the pile 10, and can also slide as the floating body 2 moves up and down due to the rise and fall of the tide level.
生簀２０は、全体が網状のもので、形状は長方
形の箱状とし、長手方向の上縁部には、ガイドロ
ーラ２５を設け、前記浮体２に設けたガイドレー
ル４０に係合させ、長手方向に移動できると共
に、浮体２に対し装着、引出し可能に構成され
る。 The fish tank 20 has a net shape as a whole, and has a rectangular box shape, and a guide roller 25 is provided at the upper edge in the longitudinal direction, and is engaged with a guide rail 40 provided on the floating body 2. It is constructed so that it can be moved to the floating body 2 and can be attached to and pulled out from the floating body 2.
このガイドローラ２５は、１組のローラ枠２６
に４組のローラ２７を軸２８を介して取り付けた
ものであつて、下方に生簀２０を取り付けるため
の取付部材２９を有する。そして、４組のローラ
２７は前記ガイドレール４０を上下から挟むよう
に装着されると共に、ローラ２７の溝部３０に嵌
合されるので、生簀２０の揺動或いは移動中にガ
イドレール４０から脱落することはない。 This guide roller 25 consists of a set of roller frames 26
Four sets of rollers 27 are attached to the cage via shafts 28, and a mounting member 29 is provided below for mounting the cage 20. The four sets of rollers 27 are mounted so as to sandwich the guide rail 40 from above and below, and are fitted into the grooves 30 of the rollers 27, so that they do not fall off the guide rail 40 during rocking or movement of the cage 20. Never.
なお、第９，１０図は、ガイドレールとガイド
ローラの他の実施例であつて、ガイドローラ３５
は、補強材４３を有する逆Ｔ字形のガイドレール
４２に対し、４組のローラ３７が、ローラ枠３６
及び軸３８を介して横方向に取り付けられたもの
である。 Note that FIGS. 9 and 10 show other embodiments of the guide rail and guide roller, and the guide roller 35
, four sets of rollers 37 are attached to a roller frame 36 with respect to an inverted T-shaped guide rail 42 having a reinforcing member 43.
and laterally attached via shaft 38.
一方、生簀２０の下方周囲には、多数の沈子２
１（おもり）が設けられ、生簀２０が海中で常に
正常な形で垂れ下がり魚介類の活動に支障のない
ようにする。 On the other hand, around the lower part of the fish tank 20, there are many sediments 2.
1 (weight) is provided so that the fish tank 20 always hangs down in the sea in a normal manner so that the activities of fish and shellfish are not hindered.
以上のように構成された蓄養装置１は、岸壁の
近くに設置され、通常は複数組を並べて設置され
る。第１，２図は長手方向に並べて設置した例で
あるが、横方向に並べる場合は、図示しないが浮
体２と生簀２０を交互に配置する方法が効率的で
好ましい。 The farming equipment 1 configured as described above is installed near a quay, and usually a plurality of sets are installed side by side. 1 and 2 show examples in which they are arranged side by side in the longitudinal direction, but when they are arranged in the horizontal direction, it is efficient and preferable to arrange the floating bodies 2 and the cages 20 alternately, although not shown.
そして、蓄養装置１の設置海域に赤潮等の海水
汚染が発生したときは、第２図に示すように浮体
２の間の生簀２０が漁船５０で引出し、そのまま
安全海域に曳航し、赤潮等が去つた後再び元の場
所に曳航し設置するものである。 When seawater pollution such as red tide occurs in the sea area where the farming equipment 1 is installed, the fish cage 20 between the floating bodies 2 is pulled out by the fishing boat 50 and towed to a safe area as is, as shown in FIG. After leaving, it is towed back to its original location and installed.
曳航に際しては、生簀２０が沈まないようにす
るため、第２図に示すように、多数のフロート５
２を生簀２０の周囲に取付ける。 During towing, in order to prevent the fish tank 20 from sinking, a large number of floats 5 are used as shown in FIG.
2 is attached around the fish tank 20.
また、浮体２を含む一組の蓄養装置１全体を曳
航し、移動させることもできる。 Furthermore, the entire set of farming equipment 1 including the floating body 2 can be towed and moved.
〔考案の効果〕
以上のように、本考案による蓄養装置は、複数
の浮体の相互間に網状の生簀の上部を支持させる
と共に、ガイドレールを介して前記浮体間から引
出し及び装着可能に設けたことを特徴とするもの
であつて、次の効果を奏することができる。[Effect of the invention] As described above, the farming device according to the invention supports the upper part of the net-like fish tank between the plurality of floating bodies, and is provided so that it can be pulled out and installed from between the floating bodies via the guide rail. This feature is characterized by the following effects.
漁船が接舷できる浮体を設けたので安全な荷
揚げ及び出荷作業ができる。 A floating body that allows fishing boats to come alongside allows for safe unloading and shipping operations.
岸壁に接近させて生簀を高密度に配置するこ
とができるので、狭い港湾でも比較的大規模な
蓄養施設を簡単に設置することができる、更に
陸上から直接浮体上に通行できるので、安全か
つ迅速な各種作業が可能となる。 Because fish pens can be arranged in high density close to the quay, relatively large-scale fish farming facilities can be easily set up even in narrow harbors.Furthermore, the floating structure can be accessed directly from land, making it safe and quick. Various tasks can be performed.
生簀を波浪の少ない岸壁近くに設置し、かつ
浮体に支持させたので、生簀が流失したり破損
する恐れがない。また、海底に係留ロープで係
留していないので移動が簡単である。 Since the fish cage is installed near a quay where there are few waves and is supported by a floating body, there is no risk of the fish cage being washed away or damaged. In addition, it is easy to move because it is not moored to the seabed with a mooring rope.
生簀の設置海域で、赤潮等の海水汚染が発生
した場合は、生簀を浮体から引出し、離脱さ
せ、漁船等によつて速やかに安全な場所に曳航
できるので被害を未然に防止することができ
る。更に、港湾の状況によつては、蓄用装置全
体を移動することも可能である。 If seawater pollution such as red tide occurs in the sea area where the fish cage is installed, the fish cage can be pulled out from the floating body, detached, and quickly towed to a safe location by a fishing boat, thereby preventing damage. Furthermore, depending on port conditions, it is also possible to move the entire storage device.
第１図は本考案における蓄養装置の斜視図、第
２図は同生簀２０を浮体２から引出した場合の斜
視図、第３図は蓄養装置の平面図、第４図は同Ａ
−Ａ矢視図、第５図は同Ｂ−Ｂ矢視図、第６図は
同Ｃ−Ｃ矢視断面図、第７図は同Ｄ−Ｄ矢視断面
図であつてガイドローラの詳細図、第８図は同Ｅ
−Ｅ矢視図、第９図は同Ｄ−Ｄ矢視断面図であつ
てガイドローラの他の実施例の詳細図、第１０図
は同Ｆ−Ｆ矢視図、第１１図は係止具１１の平面
拡大図を示す。
１……蓄養装置、２……浮体、３……プレスト
レストコンクリート、４……鋼板、５……補強
材、６……空間、７……隔壁、１０……杭、１１
……係留金具、２０……生簀、２５……ガイドロ
ーラ、２７……ローラ、２９……取付部材、４０
……ガイドレール、４５……渡り橋。
Fig. 1 is a perspective view of the farming device according to the present invention, Fig. 2 is a perspective view of the same cage 20 pulled out from the floating body 2, Fig. 3 is a plan view of the farming device, and Fig. 4 is the same A
5 is a sectional view taken along B-B, FIG. 6 is a sectional view taken along C-C, and FIG. 7 is a sectional view taken along D-D, showing details of the guide roller. Figure 8 is the same E
-E arrow view, FIG. 9 is a sectional view of the same D-D arrow, and is a detailed view of another embodiment of the guide roller, FIG. 10 is a same F-F arrow view, and FIG. 11 is a locking An enlarged plan view of the tool 11 is shown. DESCRIPTION OF SYMBOLS 1...Aquaculture device, 2...Floating body, 3...Prestressed concrete, 4...Steel plate, 5...Reinforcement material, 6...Space, 7...Partition wall, 10...Pile, 11
... Mooring fitting, 20 ... Fish cage, 25 ... Guide roller, 27 ... Roller, 29 ... Mounting member, 40
... Guide rail, 45 ... Crossing bridge.
Claims (1)
させると共に、ガイドレールを介して前記浮体間
から引出し及び装着可能にしたことを特徴とする
蓄養装置。 1. A farming device characterized in that the upper part of a net-like fish pen is supported between a plurality of floating bodies, and can be pulled out and installed from between the floating bodies via a guide rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6968187U JPH0432058Y2 (en) | 1987-05-12 | 1987-05-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6968187U JPH0432058Y2 (en) | 1987-05-12 | 1987-05-12 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63178454U JPS63178454U (en) | 1988-11-18 |
| JPH0432058Y2 true JPH0432058Y2 (en) | 1992-07-31 |
Family
ID=30910638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6968187U Expired JPH0432058Y2 (en) | 1987-05-12 | 1987-05-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0432058Y2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2571134B2 (en) * | 1989-11-11 | 1997-01-16 | 株式会社新潟鐵工所 | Ocean culture equipment |
| JPH0773462B2 (en) * | 1992-09-22 | 1995-08-09 | 株式会社ゼニライトブイ | Offshore fish farming equipment |
| JP2014141143A (en) * | 2013-01-23 | 2014-08-07 | Yoshinori Tsujimoto | Mobile floating body structure having fishing net for fishing |
| JP5981405B2 (en) * | 2013-09-05 | 2016-08-31 | 嘉義 辻本 | Fishing structure or fishing ginger or mobile floating fishing structure or moving floating fishing ginger |
-
1987
- 1987-05-12 JP JP6968187U patent/JPH0432058Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63178454U (en) | 1988-11-18 |
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