JPH01150689U - - Google Patents

Info

Publication number
JPH01150689U
JPH01150689U JP4292188U JP4292188U JPH01150689U JP H01150689 U JPH01150689 U JP H01150689U JP 4292188 U JP4292188 U JP 4292188U JP 4292188 U JP4292188 U JP 4292188U JP H01150689 U JPH01150689 U JP H01150689U
Authority
JP
Japan
Prior art keywords
chemical
earth
screw conveyor
sand
shield
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
JP4292188U
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 JP4292188U priority Critical patent/JPH01150689U/ja
Publication of JPH01150689U publication Critical patent/JPH01150689U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP4292188U 1988-04-01 1988-04-01 Pending JPH01150689U (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4292188U JPH01150689U (en]) 1988-04-01 1988-04-01

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4292188U JPH01150689U (en]) 1988-04-01 1988-04-01

Publications (1)

Publication Number Publication Date
JPH01150689U true JPH01150689U (en]) 1989-10-18

Family

ID=31269323

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4292188U Pending JPH01150689U (en]) 1988-04-01 1988-04-01

Country Status (1)

Country Link
JP (1) JPH01150689U (en])

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