JPS48103001A - - Google Patents

Info

Publication number
JPS48103001A
JPS48103001A JP2622972A JP2622972A JPS48103001A JP S48103001 A JPS48103001 A JP S48103001A JP 2622972 A JP2622972 A JP 2622972A JP 2622972 A JP2622972 A JP 2622972A JP S48103001 A JPS48103001 A JP S48103001A
Authority
JP
Japan
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
JP2622972A
Other languages
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 JP2622972A priority Critical patent/JPS48103001A/ja
Publication of JPS48103001A publication Critical patent/JPS48103001A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP2622972A 1972-03-16 1972-03-16 Pending JPS48103001A (enrdf_load_stackoverflow)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2622972A JPS48103001A (enrdf_load_stackoverflow) 1972-03-16 1972-03-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2622972A JPS48103001A (enrdf_load_stackoverflow) 1972-03-16 1972-03-16

Publications (1)

Publication Number Publication Date
JPS48103001A true JPS48103001A (enrdf_load_stackoverflow) 1973-12-24

Family

ID=12187507

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2622972A Pending JPS48103001A (enrdf_load_stackoverflow) 1972-03-16 1972-03-16

Country Status (1)

Country Link
JP (1) JPS48103001A (enrdf_load_stackoverflow)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3563323A (en) * 1968-01-19 1971-02-16 Rolls Royce Apparatus for borehole drilling

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3563323A (en) * 1968-01-19 1971-02-16 Rolls Royce Apparatus for borehole drilling

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