JPH01160090U - - Google Patents

Info

Publication number
JPH01160090U
JPH01160090U JP5275588U JP5275588U JPH01160090U JP H01160090 U JPH01160090 U JP H01160090U JP 5275588 U JP5275588 U JP 5275588U JP 5275588 U JP5275588 U JP 5275588U JP H01160090 U JPH01160090 U JP H01160090U
Authority
JP
Japan
Prior art keywords
cutter head
small
tip
earth
diameter tube
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.)
Pending
Application number
JP5275588U
Other languages
English (en)
Japanese (ja)
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 JP5275588U priority Critical patent/JPH01160090U/ja
Publication of JPH01160090U publication Critical patent/JPH01160090U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP5275588U 1988-04-21 1988-04-21 Pending JPH01160090U (ru)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5275588U JPH01160090U (ru) 1988-04-21 1988-04-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5275588U JPH01160090U (ru) 1988-04-21 1988-04-21

Publications (1)

Publication Number Publication Date
JPH01160090U true JPH01160090U (ru) 1989-11-07

Family

ID=31278754

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5275588U Pending JPH01160090U (ru) 1988-04-21 1988-04-21

Country Status (1)

Country Link
JP (1) JPH01160090U (ru)

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