JPH0278686U - - Google Patents

Info

Publication number
JPH0278686U
JPH0278686U JP15427188U JP15427188U JPH0278686U JP H0278686 U JPH0278686 U JP H0278686U JP 15427188 U JP15427188 U JP 15427188U JP 15427188 U JP15427188 U JP 15427188U JP H0278686 U JPH0278686 U JP H0278686U
Authority
JP
Japan
Prior art keywords
cutter
tube
tip
annular
excavation
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
JP15427188U
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 JP15427188U priority Critical patent/JPH0278686U/ja
Publication of JPH0278686U publication Critical patent/JPH0278686U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP15427188U 1988-11-29 1988-11-29 Pending JPH0278686U (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15427188U JPH0278686U (enrdf_load_html_response) 1988-11-29 1988-11-29

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15427188U JPH0278686U (enrdf_load_html_response) 1988-11-29 1988-11-29

Publications (1)

Publication Number Publication Date
JPH0278686U true JPH0278686U (enrdf_load_html_response) 1990-06-18

Family

ID=31430853

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15427188U Pending JPH0278686U (enrdf_load_html_response) 1988-11-29 1988-11-29

Country Status (1)

Country Link
JP (1) JPH0278686U (enrdf_load_html_response)

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