JPS6361494U - - Google Patents

Info

Publication number
JPS6361494U
JPS6361494U JP15370286U JP15370286U JPS6361494U JP S6361494 U JPS6361494 U JP S6361494U JP 15370286 U JP15370286 U JP 15370286U JP 15370286 U JP15370286 U JP 15370286U JP S6361494 U JPS6361494 U JP S6361494U
Authority
JP
Japan
Prior art keywords
pipe
propulsion
double steel
double
steel pipe
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
JP15370286U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0419104Y2 (https=
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 filed Critical
Priority to JP1986153702U priority Critical patent/JPH0419104Y2/ja
Publication of JPS6361494U publication Critical patent/JPS6361494U/ja
Application granted granted Critical
Publication of JPH0419104Y2 publication Critical patent/JPH0419104Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP1986153702U 1986-10-08 1986-10-08 Expired JPH0419104Y2 (https=)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986153702U JPH0419104Y2 (https=) 1986-10-08 1986-10-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986153702U JPH0419104Y2 (https=) 1986-10-08 1986-10-08

Publications (2)

Publication Number Publication Date
JPS6361494U true JPS6361494U (https=) 1988-04-23
JPH0419104Y2 JPH0419104Y2 (https=) 1992-04-28

Family

ID=31072817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986153702U Expired JPH0419104Y2 (https=) 1986-10-08 1986-10-08

Country Status (1)

Country Link
JP (1) JPH0419104Y2 (https=)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5481609U (https=) * 1977-11-21 1979-06-09

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5481609U (https=) * 1977-11-21 1979-06-09

Also Published As

Publication number Publication date
JPH0419104Y2 (https=) 1992-04-28

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