JPS6386192U - - Google Patents

Info

Publication number
JPS6386192U
JPS6386192U JP17768686U JP17768686U JPS6386192U JP S6386192 U JPS6386192 U JP S6386192U JP 17768686 U JP17768686 U JP 17768686U JP 17768686 U JP17768686 U JP 17768686U JP S6386192 U JPS6386192 U JP S6386192U
Authority
JP
Japan
Prior art keywords
bit body
carbide tips
bit
tip
lockbit
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
JP17768686U
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 JP17768686U priority Critical patent/JPS6386192U/ja
Publication of JPS6386192U publication Critical patent/JPS6386192U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP17768686U 1986-11-19 1986-11-19 Pending JPS6386192U (US20050065096A1-20050324-C00034.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17768686U JPS6386192U (US20050065096A1-20050324-C00034.png) 1986-11-19 1986-11-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17768686U JPS6386192U (US20050065096A1-20050324-C00034.png) 1986-11-19 1986-11-19

Publications (1)

Publication Number Publication Date
JPS6386192U true JPS6386192U (US20050065096A1-20050324-C00034.png) 1988-06-06

Family

ID=31119122

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17768686U Pending JPS6386192U (US20050065096A1-20050324-C00034.png) 1986-11-19 1986-11-19

Country Status (1)

Country Link
JP (1) JPS6386192U (US20050065096A1-20050324-C00034.png)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS491182U (US20050065096A1-20050324-C00034.png) * 1972-04-05 1974-01-08
JPS4911282U (US20050065096A1-20050324-C00034.png) * 1972-04-30 1974-01-30
JPS5214301B1 (US20050065096A1-20050324-C00034.png) * 1971-08-03 1977-04-20
JPS5914897B2 (ja) * 1975-02-08 1984-04-06 ソニー株式会社 半導体装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5214301B1 (US20050065096A1-20050324-C00034.png) * 1971-08-03 1977-04-20
JPS491182U (US20050065096A1-20050324-C00034.png) * 1972-04-05 1974-01-08
JPS4911282U (US20050065096A1-20050324-C00034.png) * 1972-04-30 1974-01-30
JPS5914897B2 (ja) * 1975-02-08 1984-04-06 ソニー株式会社 半導体装置

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