JPS5531873B2 - - Google Patents

Info

Publication number
JPS5531873B2
JPS5531873B2 JP2200076A JP2200076A JPS5531873B2 JP S5531873 B2 JPS5531873 B2 JP S5531873B2 JP 2200076 A JP2200076 A JP 2200076A JP 2200076 A JP2200076 A JP 2200076A JP S5531873 B2 JPS5531873 B2 JP S5531873B2
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.)
Expired
Application number
JP2200076A
Other languages
Japanese (ja)
Other versions
JPS52104401A (en
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 JP2200076A priority Critical patent/JPS52104401A/ja
Publication of JPS52104401A publication Critical patent/JPS52104401A/ja
Publication of JPS5531873B2 publication Critical patent/JPS5531873B2/ja
Granted legal-status Critical Current

Links

JP2200076A 1976-03-01 1976-03-01 Air reversing type boring system Granted JPS52104401A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2200076A JPS52104401A (en) 1976-03-01 1976-03-01 Air reversing type boring system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2200076A JPS52104401A (en) 1976-03-01 1976-03-01 Air reversing type boring system

Publications (2)

Publication Number Publication Date
JPS52104401A JPS52104401A (en) 1977-09-01
JPS5531873B2 true JPS5531873B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1980-08-21

Family

ID=12070732

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2200076A Granted JPS52104401A (en) 1976-03-01 1976-03-01 Air reversing type boring system

Country Status (1)

Country Link
JP (1) JPS52104401A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61204422A (ja) * 1985-03-06 1986-09-10 Murayama Doken:Kk 溝の堀削工法

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56153089A (en) * 1980-04-28 1981-11-26 Takeshi Yamamoto Labor-saving large calibre drilling

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48888U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * 1971-05-26 1973-01-08

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61204422A (ja) * 1985-03-06 1986-09-10 Murayama Doken:Kk 溝の堀削工法

Also Published As

Publication number Publication date
JPS52104401A (en) 1977-09-01

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