JPS6176894U - - Google Patents

Info

Publication number
JPS6176894U
JPS6176894U JP15977284U JP15977284U JPS6176894U JP S6176894 U JPS6176894 U JP S6176894U JP 15977284 U JP15977284 U JP 15977284U JP 15977284 U JP15977284 U JP 15977284U JP S6176894 U JPS6176894 U JP S6176894U
Authority
JP
Japan
Prior art keywords
self
diameter unit
small
hydraulic jack
propulsion
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
JP15977284U
Other languages
English (en)
Japanese (ja)
Other versions
JPH033671Y2 (en:Method
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 JP15977284U priority Critical patent/JPH033671Y2/ja
Publication of JPS6176894U publication Critical patent/JPS6176894U/ja
Application granted granted Critical
Publication of JPH033671Y2 publication Critical patent/JPH033671Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP15977284U 1984-10-24 1984-10-24 Expired JPH033671Y2 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15977284U JPH033671Y2 (en:Method) 1984-10-24 1984-10-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15977284U JPH033671Y2 (en:Method) 1984-10-24 1984-10-24

Publications (2)

Publication Number Publication Date
JPS6176894U true JPS6176894U (en:Method) 1986-05-23
JPH033671Y2 JPH033671Y2 (en:Method) 1991-01-30

Family

ID=30717719

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15977284U Expired JPH033671Y2 (en:Method) 1984-10-24 1984-10-24

Country Status (1)

Country Link
JP (1) JPH033671Y2 (en:Method)

Also Published As

Publication number Publication date
JPH033671Y2 (en:Method) 1991-01-30

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