JPS4910803A - - Google Patents

Info

Publication number
JPS4910803A
JPS4910803A JP5407272A JP5407272A JPS4910803A JP S4910803 A JPS4910803 A JP S4910803A JP 5407272 A JP5407272 A JP 5407272A JP 5407272 A JP5407272 A JP 5407272A JP S4910803 A JPS4910803 A JP S4910803A
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
JP5407272A
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 JP5407272A priority Critical patent/JPS4910803A/ja
Publication of JPS4910803A publication Critical patent/JPS4910803A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP5407272A 1972-05-31 1972-05-31 Pending JPS4910803A (US07922777-20110412-C00004.png)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5407272A JPS4910803A (US07922777-20110412-C00004.png) 1972-05-31 1972-05-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5407272A JPS4910803A (US07922777-20110412-C00004.png) 1972-05-31 1972-05-31

Publications (1)

Publication Number Publication Date
JPS4910803A true JPS4910803A (US07922777-20110412-C00004.png) 1974-01-30

Family

ID=12960401

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5407272A Pending JPS4910803A (US07922777-20110412-C00004.png) 1972-05-31 1972-05-31

Country Status (1)

Country Link
JP (1) JPS4910803A (US07922777-20110412-C00004.png)

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