JPH01180589U - - Google Patents

Info

Publication number
JPH01180589U
JPH01180589U JP7783988U JP7783988U JPH01180589U JP H01180589 U JPH01180589 U JP H01180589U JP 7783988 U JP7783988 U JP 7783988U JP 7783988 U JP7783988 U JP 7783988U JP H01180589 U JPH01180589 U JP H01180589U
Authority
JP
Japan
Prior art keywords
earth
screw
screw conveyor
chemical
earth removal
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
JP7783988U
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 JP7783988U priority Critical patent/JPH01180589U/ja
Publication of JPH01180589U publication Critical patent/JPH01180589U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP7783988U 1988-06-14 1988-06-14 Pending JPH01180589U (US20080293856A1-20081127-C00150.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7783988U JPH01180589U (US20080293856A1-20081127-C00150.png) 1988-06-14 1988-06-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7783988U JPH01180589U (US20080293856A1-20081127-C00150.png) 1988-06-14 1988-06-14

Publications (1)

Publication Number Publication Date
JPH01180589U true JPH01180589U (US20080293856A1-20081127-C00150.png) 1989-12-26

Family

ID=31302799

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7783988U Pending JPH01180589U (US20080293856A1-20081127-C00150.png) 1988-06-14 1988-06-14

Country Status (1)

Country Link
JP (1) JPH01180589U (US20080293856A1-20081127-C00150.png)

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