JPS6386193U - - Google Patents

Info

Publication number
JPS6386193U
JPS6386193U JP17768786U JP17768786U JPS6386193U JP S6386193 U JPS6386193 U JP S6386193U JP 17768786 U JP17768786 U JP 17768786U JP 17768786 U JP17768786 U JP 17768786U JP S6386193 U JPS6386193 U JP S6386193U
Authority
JP
Japan
Prior art keywords
bit
bit body
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portion located
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
JP17768786U
Other languages
English (en)
Japanese (ja)
Other versions
JPH04149Y2 (enrdf_load_stackoverflow
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 JP17768786U priority Critical patent/JPH04149Y2/ja
Publication of JPS6386193U publication Critical patent/JPS6386193U/ja
Application granted granted Critical
Publication of JPH04149Y2 publication Critical patent/JPH04149Y2/ja
Expired legal-status Critical Current

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  • Earth Drilling (AREA)
JP17768786U 1986-11-19 1986-11-19 Expired JPH04149Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17768786U JPH04149Y2 (enrdf_load_stackoverflow) 1986-11-19 1986-11-19

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17768786U JPH04149Y2 (enrdf_load_stackoverflow) 1986-11-19 1986-11-19

Publications (2)

Publication Number Publication Date
JPS6386193U true JPS6386193U (enrdf_load_stackoverflow) 1988-06-06
JPH04149Y2 JPH04149Y2 (enrdf_load_stackoverflow) 1992-01-06

Family

ID=31119124

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17768786U Expired JPH04149Y2 (enrdf_load_stackoverflow) 1986-11-19 1986-11-19

Country Status (1)

Country Link
JP (1) JPH04149Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH04149Y2 (enrdf_load_stackoverflow) 1992-01-06

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