JPS573994A - Rotary excavation - Google Patents

Rotary excavation

Info

Publication number
JPS573994A
JPS573994A JP7571380A JP7571380A JPS573994A JP S573994 A JPS573994 A JP S573994A JP 7571380 A JP7571380 A JP 7571380A JP 7571380 A JP7571380 A JP 7571380A JP S573994 A JPS573994 A JP S573994A
Authority
JP
Japan
Prior art keywords
rotary excavation
excavation
rotary
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
JP7571380A
Other languages
Japanese (ja)
Inventor
Teruo Uga
Kiyoshi Matsumura
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.)
Osaka Bousui Construction Co Ltd
Original Assignee
Osaka Bousui Construction 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 Osaka Bousui Construction Co Ltd filed Critical Osaka Bousui Construction Co Ltd
Priority to JP7571380A priority Critical patent/JPS573994A/en
Publication of JPS573994A publication Critical patent/JPS573994A/en
Pending legal-status Critical Current

Links

Landscapes

  • Earth Drilling (AREA)
JP7571380A 1980-06-04 1980-06-04 Rotary excavation Pending JPS573994A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7571380A JPS573994A (en) 1980-06-04 1980-06-04 Rotary excavation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7571380A JPS573994A (en) 1980-06-04 1980-06-04 Rotary excavation

Publications (1)

Publication Number Publication Date
JPS573994A true JPS573994A (en) 1982-01-09

Family

ID=13584153

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7571380A Pending JPS573994A (en) 1980-06-04 1980-06-04 Rotary excavation

Country Status (1)

Country Link
JP (1) JPS573994A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022054937A1 (en) * 2020-09-14 2022-03-17 聡 安斎 Ground drilling device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022054937A1 (en) * 2020-09-14 2022-03-17 聡 安斎 Ground drilling device

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