JPH0141834Y2 - - Google Patents

Info

Publication number
JPH0141834Y2
JPH0141834Y2 JP9140785U JP9140785U JPH0141834Y2 JP H0141834 Y2 JPH0141834 Y2 JP H0141834Y2 JP 9140785 U JP9140785 U JP 9140785U JP 9140785 U JP9140785 U JP 9140785U JP H0141834 Y2 JPH0141834 Y2 JP H0141834Y2
Authority
JP
Japan
Prior art keywords
cutting
bit
drilling
core
blade
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.)
Expired
Application number
JP9140785U
Other languages
English (en)
Japanese (ja)
Other versions
JPS61206790U (enEXAMPLES
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 JP9140785U priority Critical patent/JPH0141834Y2/ja
Publication of JPS61206790U publication Critical patent/JPS61206790U/ja
Application granted granted Critical
Publication of JPH0141834Y2 publication Critical patent/JPH0141834Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP9140785U 1985-06-17 1985-06-17 Expired JPH0141834Y2 (enEXAMPLES)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9140785U JPH0141834Y2 (enEXAMPLES) 1985-06-17 1985-06-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9140785U JPH0141834Y2 (enEXAMPLES) 1985-06-17 1985-06-17

Publications (2)

Publication Number Publication Date
JPS61206790U JPS61206790U (enEXAMPLES) 1986-12-27
JPH0141834Y2 true JPH0141834Y2 (enEXAMPLES) 1989-12-08

Family

ID=30647266

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9140785U Expired JPH0141834Y2 (enEXAMPLES) 1985-06-17 1985-06-17

Country Status (1)

Country Link
JP (1) JPH0141834Y2 (enEXAMPLES)

Also Published As

Publication number Publication date
JPS61206790U (enEXAMPLES) 1986-12-27

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