JPS6294194U - - Google Patents

Info

Publication number
JPS6294194U
JPS6294194U JP18329185U JP18329185U JPS6294194U JP S6294194 U JPS6294194 U JP S6294194U JP 18329185 U JP18329185 U JP 18329185U JP 18329185 U JP18329185 U JP 18329185U JP S6294194 U JPS6294194 U JP S6294194U
Authority
JP
Japan
Prior art keywords
centrizer
cap
tip
drilling machine
acute
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
JP18329185U
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 JP18329185U priority Critical patent/JPS6294194U/ja
Publication of JPS6294194U publication Critical patent/JPS6294194U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP18329185U 1985-11-28 1985-11-28 Pending JPS6294194U (US07652168-20100126-C00068.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18329185U JPS6294194U (US07652168-20100126-C00068.png) 1985-11-28 1985-11-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18329185U JPS6294194U (US07652168-20100126-C00068.png) 1985-11-28 1985-11-28

Publications (1)

Publication Number Publication Date
JPS6294194U true JPS6294194U (US07652168-20100126-C00068.png) 1987-06-16

Family

ID=31129895

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18329185U Pending JPS6294194U (US07652168-20100126-C00068.png) 1985-11-28 1985-11-28

Country Status (1)

Country Link
JP (1) JPS6294194U (US07652168-20100126-C00068.png)

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