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CA650406A - Shaft-boring device - Google Patents

Shaft-boring device

Info

Publication number
CA650406A
CA650406A CA650406A CA650406DA CA650406A CA 650406 A CA650406 A CA 650406A CA 650406 A CA650406 A CA 650406A CA 650406D A CA650406D A CA 650406DA CA 650406 A CA650406 A CA 650406A
Authority
CA
Canada
Prior art keywords
shaft
boring device
boring
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.)
Expired
Application number
CA650406A
Inventor
O. Persson Erik
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.)
NILS T NELDAS
Original Assignee
NILS T NELDAS
Publication date
Application granted granted Critical
Publication of CA650406A publication Critical patent/CA650406A/en
Expired legal-status Critical Current

Links

CA650406A Shaft-boring device Expired CA650406A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA650406T

Publications (1)

Publication Number Publication Date
CA650406A true CA650406A (en) 1962-10-16

Family

ID=35939050

Family Applications (1)

Application Number Title Priority Date Filing Date
CA650406A Expired CA650406A (en) Shaft-boring device

Country Status (1)

Country Link
CA (1) CA650406A (en)

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