JPS4978309A - - Google Patents

Info

Publication number
JPS4978309A
JPS4978309A JP12106372A JP12106372A JPS4978309A JP S4978309 A JPS4978309 A JP S4978309A JP 12106372 A JP12106372 A JP 12106372A JP 12106372 A JP12106372 A JP 12106372A JP S4978309 A JPS4978309 A JP S4978309A
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
JP12106372A
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 JP12106372A priority Critical patent/JPS4978309A/ja
Publication of JPS4978309A publication Critical patent/JPS4978309A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP12106372A 1972-12-02 1972-12-02 Pending JPS4978309A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12106372A JPS4978309A (en) 1972-12-02 1972-12-02

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12106372A JPS4978309A (en) 1972-12-02 1972-12-02

Publications (1)

Publication Number Publication Date
JPS4978309A true JPS4978309A (en) 1974-07-29

Family

ID=14801908

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12106372A Pending JPS4978309A (en) 1972-12-02 1972-12-02

Country Status (1)

Country Link
JP (1) JPS4978309A (en)

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