JPH0124240Y2 - - Google Patents

Info

Publication number
JPH0124240Y2
JPH0124240Y2 JP1984024495U JP2449584U JPH0124240Y2 JP H0124240 Y2 JPH0124240 Y2 JP H0124240Y2 JP 1984024495 U JP1984024495 U JP 1984024495U JP 2449584 U JP2449584 U JP 2449584U JP H0124240 Y2 JPH0124240 Y2 JP H0124240Y2
Authority
JP
Japan
Prior art keywords
core
bit
tube
barrel
lifter
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
JP1984024495U
Other languages
English (en)
Japanese (ja)
Other versions
JPS60139887U (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 JP2449584U priority Critical patent/JPS60139887U/ja
Publication of JPS60139887U publication Critical patent/JPS60139887U/ja
Application granted granted Critical
Publication of JPH0124240Y2 publication Critical patent/JPH0124240Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP2449584U 1984-02-24 1984-02-24 コアバレル用ビツト Granted JPS60139887U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2449584U JPS60139887U (ja) 1984-02-24 1984-02-24 コアバレル用ビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2449584U JPS60139887U (ja) 1984-02-24 1984-02-24 コアバレル用ビツト

Publications (2)

Publication Number Publication Date
JPS60139887U JPS60139887U (ja) 1985-09-17
JPH0124240Y2 true JPH0124240Y2 (enExample) 1989-07-24

Family

ID=30518694

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2449584U Granted JPS60139887U (ja) 1984-02-24 1984-02-24 コアバレル用ビツト

Country Status (1)

Country Link
JP (1) JPS60139887U (enExample)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58160991U (ja) * 1982-04-23 1983-10-26 永田　希喜 コア採取器具のビツト
JPH0715792B2 (ja) * 1982-08-02 1995-02-22 株式会社日立製作所 ブートストラップ回路

Also Published As

Publication number Publication date
JPS60139887U (ja) 1985-09-17

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