JPS58180987U - さく溝用ビツト - Google Patents

さく溝用ビツト

Info

Publication number
JPS58180987U
JPS58180987U JP7800882U JP7800882U JPS58180987U JP S58180987 U JPS58180987 U JP S58180987U JP 7800882 U JP7800882 U JP 7800882U JP 7800882 U JP7800882 U JP 7800882U JP S58180987 U JPS58180987 U JP S58180987U
Authority
JP
Japan
Prior art keywords
chips
axial direction
group
bit body
bodies
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.)
Granted
Application number
JP7800882U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6233823Y2 (cg-RX-API-DMAC7.html
Inventor
渋川　隆夫
勇司 小野
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mazda Motor Corp
Shimizu Corp
Original Assignee
Mazda Motor Corp
Shimizu Corp
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 by Mazda Motor Corp, Shimizu Corp filed Critical Mazda Motor Corp
Priority to JP7800882U priority Critical patent/JPS58180987U/ja
Publication of JPS58180987U publication Critical patent/JPS58180987U/ja
Application granted granted Critical
Publication of JPS6233823Y2 publication Critical patent/JPS6233823Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP7800882U 1982-05-26 1982-05-26 さく溝用ビツト Granted JPS58180987U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7800882U JPS58180987U (ja) 1982-05-26 1982-05-26 さく溝用ビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7800882U JPS58180987U (ja) 1982-05-26 1982-05-26 さく溝用ビツト

Publications (2)

Publication Number Publication Date
JPS58180987U true JPS58180987U (ja) 1983-12-02
JPS6233823Y2 JPS6233823Y2 (cg-RX-API-DMAC7.html) 1987-08-29

Family

ID=30087252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7800882U Granted JPS58180987U (ja) 1982-05-26 1982-05-26 さく溝用ビツト

Country Status (1)

Country Link
JP (1) JPS58180987U (cg-RX-API-DMAC7.html)

Also Published As

Publication number Publication date
JPS6233823Y2 (cg-RX-API-DMAC7.html) 1987-08-29

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