JPS4944902A - - Google Patents

Info

Publication number
JPS4944902A
JPS4944902A JP8835072A JP8835072A JPS4944902A JP S4944902 A JPS4944902 A JP S4944902A JP 8835072 A JP8835072 A JP 8835072A JP 8835072 A JP8835072 A JP 8835072A JP S4944902 A JPS4944902 A JP S4944902A
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
JP8835072A
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 JP8835072A priority Critical patent/JPS4944902A/ja
Publication of JPS4944902A publication Critical patent/JPS4944902A/ja
Pending legal-status Critical Current

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  • Earth Drilling (AREA)
JP8835072A 1972-09-05 1972-09-05 Pending JPS4944902A (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8835072A JPS4944902A (de) 1972-09-05 1972-09-05

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8835072A JPS4944902A (de) 1972-09-05 1972-09-05

Publications (1)

Publication Number Publication Date
JPS4944902A true JPS4944902A (de) 1974-04-27

Family

ID=13940364

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8835072A Pending JPS4944902A (de) 1972-09-05 1972-09-05

Country Status (1)

Country Link
JP (1) JPS4944902A (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50158404U (de) * 1974-06-17 1975-12-27
JPS55118095U (de) * 1979-02-07 1980-08-20
JPS5631984A (en) * 1979-08-22 1981-03-31 Shingo Yoshimura Perforator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4827041A (de) * 1971-08-14 1973-04-10

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4827041A (de) * 1971-08-14 1973-04-10

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50158404U (de) * 1974-06-17 1975-12-27
JPS55118095U (de) * 1979-02-07 1980-08-20
JPS5631984A (en) * 1979-08-22 1981-03-31 Shingo Yoshimura Perforator

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