JPS4982123A - - Google Patents

Info

Publication number
JPS4982123A
JPS4982123A JP12549872A JP12549872A JPS4982123A JP S4982123 A JPS4982123 A JP S4982123A JP 12549872 A JP12549872 A JP 12549872A JP 12549872 A JP12549872 A JP 12549872A JP S4982123 A JPS4982123 A JP S4982123A
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.)
Granted
Application number
JP12549872A
Other languages
Japanese (ja)
Other versions
JPS5217652B2 (en:Method
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 JP12549872A priority Critical patent/JPS5217652B2/ja
Publication of JPS4982123A publication Critical patent/JPS4982123A/ja
Publication of JPS5217652B2 publication Critical patent/JPS5217652B2/ja
Expired legal-status Critical Current

Links

Landscapes

  • Excavating Of Shafts Or Tunnels (AREA)
JP12549872A 1972-12-14 1972-12-14 Expired JPS5217652B2 (en:Method)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12549872A JPS5217652B2 (en:Method) 1972-12-14 1972-12-14

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12549872A JPS5217652B2 (en:Method) 1972-12-14 1972-12-14

Publications (2)

Publication Number Publication Date
JPS4982123A true JPS4982123A (en:Method) 1974-08-07
JPS5217652B2 JPS5217652B2 (en:Method) 1977-05-17

Family

ID=14911580

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12549872A Expired JPS5217652B2 (en:Method) 1972-12-14 1972-12-14

Country Status (1)

Country Link
JP (1) JPS5217652B2 (en:Method)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS535813A (en) * 1976-07-05 1978-01-19 Minoru Seya Earth drilling apparatus
JPS5435009U (en:Method) * 1977-03-25 1979-03-07

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS535813A (en) * 1976-07-05 1978-01-19 Minoru Seya Earth drilling apparatus
JPS5435009U (en:Method) * 1977-03-25 1979-03-07

Also Published As

Publication number Publication date
JPS5217652B2 (en:Method) 1977-05-17

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