JPS5655693A - Excavation - Google Patents

Excavation

Info

Publication number
JPS5655693A
JPS5655693A JP13230279A JP13230279A JPS5655693A JP S5655693 A JPS5655693 A JP S5655693A JP 13230279 A JP13230279 A JP 13230279A JP 13230279 A JP13230279 A JP 13230279A JP S5655693 A JPS5655693 A JP S5655693A
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
JP13230279A
Other languages
Japanese (ja)
Inventor
Shiyouji Nishida
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.)
Hitachi Zosen Corp
Original Assignee
Hitachi Zosen Corp
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 Hitachi Zosen Corp filed Critical Hitachi Zosen Corp
Priority to JP13230279A priority Critical patent/JPS5655693A/en
Publication of JPS5655693A publication Critical patent/JPS5655693A/en
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP13230279A 1979-10-12 1979-10-12 Excavation Pending JPS5655693A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13230279A JPS5655693A (en) 1979-10-12 1979-10-12 Excavation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13230279A JPS5655693A (en) 1979-10-12 1979-10-12 Excavation

Publications (1)

Publication Number Publication Date
JPS5655693A true JPS5655693A (en) 1981-05-16

Family

ID=15078114

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13230279A Pending JPS5655693A (en) 1979-10-12 1979-10-12 Excavation

Country Status (1)

Country Link
JP (1) JPS5655693A (en)

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