JPS61116892U - - Google Patents

Info

Publication number
JPS61116892U
JPS61116892U JP19684384U JP19684384U JPS61116892U JP S61116892 U JPS61116892 U JP S61116892U JP 19684384 U JP19684384 U JP 19684384U JP 19684384 U JP19684384 U JP 19684384U JP S61116892 U JPS61116892 U JP S61116892U
Authority
JP
Japan
Prior art keywords
cutting
bit
utility
model registration
chips
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.)
Pending
Application number
JP19684384U
Other languages
English (en)
Japanese (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 JP19684384U priority Critical patent/JPS61116892U/ja
Publication of JPS61116892U publication Critical patent/JPS61116892U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP19684384U 1984-12-28 1984-12-28 Pending JPS61116892U (enExample)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP19684384U JPS61116892U (enExample) 1984-12-28 1984-12-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP19684384U JPS61116892U (enExample) 1984-12-28 1984-12-28

Publications (1)

Publication Number Publication Date
JPS61116892U true JPS61116892U (enExample) 1986-07-23

Family

ID=30754743

Family Applications (1)

Application Number Title Priority Date Filing Date
JP19684384U Pending JPS61116892U (enExample) 1984-12-28 1984-12-28

Country Status (1)

Country Link
JP (1) JPS61116892U (enExample)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56142991A (en) * 1980-04-03 1981-11-07 Toyo Kogyo Co Drilling bit
JPS56142989A (en) * 1980-04-03 1981-11-07 Toyo Kogyo Co Drilling bit

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56142991A (en) * 1980-04-03 1981-11-07 Toyo Kogyo Co Drilling bit
JPS56142989A (en) * 1980-04-03 1981-11-07 Toyo Kogyo Co Drilling bit

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