JPS51121901A - Method of excavation - Google Patents

Method of excavation

Info

Publication number
JPS51121901A
JPS51121901A JP4602275A JP4602275A JPS51121901A JP S51121901 A JPS51121901 A JP S51121901A JP 4602275 A JP4602275 A JP 4602275A JP 4602275 A JP4602275 A JP 4602275A JP S51121901 A JPS51121901 A JP S51121901A
Authority
JP
Japan
Prior art keywords
excavation
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
JP4602275A
Other languages
Japanese (ja)
Inventor
Yasuhiro Matsumoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sanwa Sangyo Co Ltd
Original Assignee
Sanwa Sangyo Co Ltd
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 by Sanwa Sangyo Co Ltd filed Critical Sanwa Sangyo Co Ltd
Priority to JP4602275A priority Critical patent/JPS51121901A/en
Publication of JPS51121901A publication Critical patent/JPS51121901A/en
Pending legal-status Critical Current

Links

JP4602275A 1975-04-16 1975-04-16 Method of excavation Pending JPS51121901A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4602275A JPS51121901A (en) 1975-04-16 1975-04-16 Method of excavation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4602275A JPS51121901A (en) 1975-04-16 1975-04-16 Method of excavation

Publications (1)

Publication Number Publication Date
JPS51121901A true JPS51121901A (en) 1976-10-25

Family

ID=12735413

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4602275A Pending JPS51121901A (en) 1975-04-16 1975-04-16 Method of excavation

Country Status (1)

Country Link
JP (1) JPS51121901A (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4820200U (en) * 1971-07-16 1973-03-07
JPS4927834B1 (en) * 1966-10-20 1974-07-20

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4927834B1 (en) * 1966-10-20 1974-07-20
JPS4820200U (en) * 1971-07-16 1973-03-07

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