JPH0313391U - - Google Patents

Info

Publication number
JPH0313391U
JPH0313391U JP7444489U JP7444489U JPH0313391U JP H0313391 U JPH0313391 U JP H0313391U JP 7444489 U JP7444489 U JP 7444489U JP 7444489 U JP7444489 U JP 7444489U JP H0313391 U JPH0313391 U JP H0313391U
Authority
JP
Japan
Prior art keywords
drilling device
drifter
drifters
rod
feed
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
JP7444489U
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 JP7444489U priority Critical patent/JPH0313391U/ja
Publication of JPH0313391U publication Critical patent/JPH0313391U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
JP7444489U 1989-06-27 1989-06-27 Pending JPH0313391U (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7444489U JPH0313391U (enrdf_load_stackoverflow) 1989-06-27 1989-06-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7444489U JPH0313391U (enrdf_load_stackoverflow) 1989-06-27 1989-06-27

Publications (1)

Publication Number Publication Date
JPH0313391U true JPH0313391U (enrdf_load_stackoverflow) 1991-02-12

Family

ID=31614139

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7444489U Pending JPH0313391U (enrdf_load_stackoverflow) 1989-06-27 1989-06-27

Country Status (1)

Country Link
JP (1) JPH0313391U (enrdf_load_stackoverflow)

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