JPS6340544Y2 - - Google Patents

Info

Publication number
JPS6340544Y2
JPS6340544Y2 JP14424183U JP14424183U JPS6340544Y2 JP S6340544 Y2 JPS6340544 Y2 JP S6340544Y2 JP 14424183 U JP14424183 U JP 14424183U JP 14424183 U JP14424183 U JP 14424183U JP S6340544 Y2 JPS6340544 Y2 JP S6340544Y2
Authority
JP
Japan
Prior art keywords
bit
button
shaped
blade
implanted
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
JP14424183U
Other languages
English (en)
Japanese (ja)
Other versions
JPS6053888U (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 JP14424183U priority Critical patent/JPS6053888U/ja
Publication of JPS6053888U publication Critical patent/JPS6053888U/ja
Application granted granted Critical
Publication of JPS6340544Y2 publication Critical patent/JPS6340544Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP14424183U 1983-09-17 1983-09-17 ロツクビツト Granted JPS6053888U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14424183U JPS6053888U (ja) 1983-09-17 1983-09-17 ロツクビツト

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14424183U JPS6053888U (ja) 1983-09-17 1983-09-17 ロツクビツト

Publications (2)

Publication Number Publication Date
JPS6053888U JPS6053888U (ja) 1985-04-16
JPS6340544Y2 true JPS6340544Y2 (enrdf_load_stackoverflow) 1988-10-24

Family

ID=30321718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14424183U Granted JPS6053888U (ja) 1983-09-17 1983-09-17 ロツクビツト

Country Status (1)

Country Link
JP (1) JPS6053888U (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6053888U (ja) 1985-04-16

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