JPS6241767Y2 - - Google Patents

Info

Publication number
JPS6241767Y2
JPS6241767Y2 JP5670179U JP5670179U JPS6241767Y2 JP S6241767 Y2 JPS6241767 Y2 JP S6241767Y2 JP 5670179 U JP5670179 U JP 5670179U JP 5670179 U JP5670179 U JP 5670179U JP S6241767 Y2 JPS6241767 Y2 JP S6241767Y2
Authority
JP
Japan
Prior art keywords
core drill
groove
chips
wood
cutting blades
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
JP5670179U
Other languages
English (en)
Japanese (ja)
Other versions
JPS55156846U (ko
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 JP5670179U priority Critical patent/JPS6241767Y2/ja
Publication of JPS55156846U publication Critical patent/JPS55156846U/ja
Application granted granted Critical
Publication of JPS6241767Y2 publication Critical patent/JPS6241767Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Drilling Tools (AREA)
JP5670179U 1979-04-26 1979-04-26 Expired JPS6241767Y2 (ko)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5670179U JPS6241767Y2 (ko) 1979-04-26 1979-04-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5670179U JPS6241767Y2 (ko) 1979-04-26 1979-04-26

Publications (2)

Publication Number Publication Date
JPS55156846U JPS55156846U (ko) 1980-11-11
JPS6241767Y2 true JPS6241767Y2 (ko) 1987-10-26

Family

ID=29290803

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5670179U Expired JPS6241767Y2 (ko) 1979-04-26 1979-04-26

Country Status (1)

Country Link
JP (1) JPS6241767Y2 (ko)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0759362B2 (ja) * 1992-02-12 1995-06-28 昭三郎 石田 筒状穿孔具
JP2012109421A (ja) * 2010-11-18 2012-06-07 Mitsuboshi Diamond Industrial Co Ltd 薄膜太陽電池用の欠陥修復用ツール、欠陥修復用装置及び欠陥修復方法

Also Published As

Publication number Publication date
JPS55156846U (ko) 1980-11-11

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