JPS6117096Y2 - - Google Patents

Info

Publication number
JPS6117096Y2
JPS6117096Y2 JP5423881U JP5423881U JPS6117096Y2 JP S6117096 Y2 JPS6117096 Y2 JP S6117096Y2 JP 5423881 U JP5423881 U JP 5423881U JP 5423881 U JP5423881 U JP 5423881U JP S6117096 Y2 JPS6117096 Y2 JP S6117096Y2
Authority
JP
Japan
Prior art keywords
rod
drilling machine
leader
hook
centralizer
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
JP5423881U
Other languages
English (en)
Japanese (ja)
Other versions
JPS57168588U (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 JP5423881U priority Critical patent/JPS6117096Y2/ja
Publication of JPS57168588U publication Critical patent/JPS57168588U/ja
Application granted granted Critical
Publication of JPS6117096Y2 publication Critical patent/JPS6117096Y2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP5423881U 1981-04-14 1981-04-14 Expired JPS6117096Y2 (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5423881U JPS6117096Y2 (enrdf_load_stackoverflow) 1981-04-14 1981-04-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5423881U JPS6117096Y2 (enrdf_load_stackoverflow) 1981-04-14 1981-04-14

Publications (2)

Publication Number Publication Date
JPS57168588U JPS57168588U (enrdf_load_stackoverflow) 1982-10-23
JPS6117096Y2 true JPS6117096Y2 (enrdf_load_stackoverflow) 1986-05-26

Family

ID=29850840

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5423881U Expired JPS6117096Y2 (enrdf_load_stackoverflow) 1981-04-14 1981-04-14

Country Status (1)

Country Link
JP (1) JPS6117096Y2 (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS57168588U (enrdf_load_stackoverflow) 1982-10-23

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