JPS4923410A - - Google Patents

Info

Publication number
JPS4923410A
JPS4923410A JP6405572A JP6405572A JPS4923410A JP S4923410 A JPS4923410 A JP S4923410A JP 6405572 A JP6405572 A JP 6405572A JP 6405572 A JP6405572 A JP 6405572A JP S4923410 A JPS4923410 A JP S4923410A
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
JP6405572A
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 JP6405572A priority Critical patent/JPS4923410A/ja
Publication of JPS4923410A publication Critical patent/JPS4923410A/ja
Pending legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP6405572A 1972-06-28 1972-06-28 Pending JPS4923410A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6405572A JPS4923410A (en) 1972-06-28 1972-06-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6405572A JPS4923410A (en) 1972-06-28 1972-06-28

Publications (1)

Publication Number Publication Date
JPS4923410A true JPS4923410A (en) 1974-03-01

Family

ID=13247009

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6405572A Pending JPS4923410A (en) 1972-06-28 1972-06-28

Country Status (1)

Country Link
JP (1) JPS4923410A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54159301A (en) * 1978-06-07 1979-12-17 Schmidt Paul Forming of both side opened underground bored hole
JPS58138898A (en) * 1982-02-10 1983-08-17 新技術開発株式会社 Impact type propelling apparatus
JPS5986885U (en) * 1982-11-30 1984-06-12 マスプロ電工株式会社 AC/DC power supply device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54159301A (en) * 1978-06-07 1979-12-17 Schmidt Paul Forming of both side opened underground bored hole
JPS58138898A (en) * 1982-02-10 1983-08-17 新技術開発株式会社 Impact type propelling apparatus
JPS5986885U (en) * 1982-11-30 1984-06-12 マスプロ電工株式会社 AC/DC power supply device

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