JPS5523256A - Direction controller for ground - Google Patents

Direction controller for ground

Info

Publication number
JPS5523256A
JPS5523256A JP9577978A JP9577978A JPS5523256A JP S5523256 A JPS5523256 A JP S5523256A JP 9577978 A JP9577978 A JP 9577978A JP 9577978 A JP9577978 A JP 9577978A JP S5523256 A JPS5523256 A JP S5523256A
Authority
JP
Japan
Prior art keywords
ground
direction controller
controller
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.)
Granted
Application number
JP9577978A
Other languages
Japanese (ja)
Other versions
JPS5539717B2 (en
Inventor
Riyousuke Arioka
Sumio Mori
Yoshihiko Nomura
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP9577978A priority Critical patent/JPS5523256A/en
Publication of JPS5523256A publication Critical patent/JPS5523256A/en
Publication of JPS5539717B2 publication Critical patent/JPS5539717B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP9577978A 1978-08-08 1978-08-08 Direction controller for ground Granted JPS5523256A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9577978A JPS5523256A (en) 1978-08-08 1978-08-08 Direction controller for ground

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9577978A JPS5523256A (en) 1978-08-08 1978-08-08 Direction controller for ground

Publications (2)

Publication Number Publication Date
JPS5523256A true JPS5523256A (en) 1980-02-19
JPS5539717B2 JPS5539717B2 (en) 1980-10-13

Family

ID=14146958

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9577978A Granted JPS5523256A (en) 1978-08-08 1978-08-08 Direction controller for ground

Country Status (1)

Country Link
JP (1) JPS5523256A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7451805B2 (en) 2004-04-02 2008-11-18 Senju Metal Industry Co., Ltd. Pouring apparatus for molten metal and casting method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5570161A (en) * 1978-11-21 1980-05-27 Fujitsu Ltd Call signal generation system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7451805B2 (en) 2004-04-02 2008-11-18 Senju Metal Industry Co., Ltd. Pouring apparatus for molten metal and casting method

Also Published As

Publication number Publication date
JPS5539717B2 (en) 1980-10-13

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