JPH0419104Y2 - - Google Patents

Info

Publication number
JPH0419104Y2
JPH0419104Y2 JP1986153702U JP15370286U JPH0419104Y2 JP H0419104 Y2 JPH0419104 Y2 JP H0419104Y2 JP 1986153702 U JP1986153702 U JP 1986153702U JP 15370286 U JP15370286 U JP 15370286U JP H0419104 Y2 JPH0419104 Y2 JP H0419104Y2
Authority
JP
Japan
Prior art keywords
pipe
propulsion
tube
double steel
pipes
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
Application number
JP1986153702U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6361494U (en]
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 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1986153702U JPH0419104Y2 (en]) 1986-10-08 1986-10-08

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1986153702U JPH0419104Y2 (en]) 1986-10-08 1986-10-08

Publications (2)

Publication Number Publication Date
JPS6361494U JPS6361494U (en]) 1988-04-23
JPH0419104Y2 true JPH0419104Y2 (en]) 1992-04-28

Family

ID=31072817

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1986153702U Expired JPH0419104Y2 (en]) 1986-10-08 1986-10-08

Country Status (1)

Country Link
JP (1) JPH0419104Y2 (en])

Family Cites Families (1)

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

Also Published As

Publication number Publication date
JPS6361494U (en]) 1988-04-23

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