JPH0545442Y2 - - Google Patents

Info

Publication number
JPH0545442Y2
JPH0545442Y2 JP16704088U JP16704088U JPH0545442Y2 JP H0545442 Y2 JPH0545442 Y2 JP H0545442Y2 JP 16704088 U JP16704088 U JP 16704088U JP 16704088 U JP16704088 U JP 16704088U JP H0545442 Y2 JPH0545442 Y2 JP H0545442Y2
Authority
JP
Japan
Prior art keywords
core
drilling
core bit
drill
diamond
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 - Lifetime
Application number
JP16704088U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0286710U (en]
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 JP16704088U priority Critical patent/JPH0545442Y2/ja
Publication of JPH0286710U publication Critical patent/JPH0286710U/ja
Application granted granted Critical
Publication of JPH0545442Y2 publication Critical patent/JPH0545442Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)
JP16704088U 1988-12-23 1988-12-23 Expired - Lifetime JPH0545442Y2 (en])

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16704088U JPH0545442Y2 (en]) 1988-12-23 1988-12-23

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16704088U JPH0545442Y2 (en]) 1988-12-23 1988-12-23

Publications (2)

Publication Number Publication Date
JPH0286710U JPH0286710U (en]) 1990-07-10
JPH0545442Y2 true JPH0545442Y2 (en]) 1993-11-19

Family

ID=31454975

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16704088U Expired - Lifetime JPH0545442Y2 (en]) 1988-12-23 1988-12-23

Country Status (1)

Country Link
JP (1) JPH0545442Y2 (en])

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6709755B2 (ja) * 2017-06-14 2020-06-17 株式会社安部日鋼工業 コア削孔用ガイド

Also Published As

Publication number Publication date
JPH0286710U (en]) 1990-07-10

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