CA630775A - Rotary drill - Google Patents

Rotary drill

Info

Publication number
CA630775A
CA630775A CA630775A CA630775DA CA630775A CA 630775 A CA630775 A CA 630775A CA 630775 A CA630775 A CA 630775A CA 630775D A CA630775D A CA 630775DA CA 630775 A CA630775 A CA 630775A
Authority
CA
Canada
Prior art keywords
rotary drill
drill
rotary
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
CA630775A
Inventor
Gulfelt Lars
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA630775A publication Critical patent/CA630775A/en
Expired legal-status Critical Current

Links

CA630775A Rotary drill Expired CA630775A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA630775T

Publications (1)

Publication Number Publication Date
CA630775A true CA630775A (en) 1961-11-14

Family

ID=35886916

Family Applications (1)

Application Number Title Priority Date Filing Date
CA630775A Expired CA630775A (en) Rotary drill

Country Status (1)

Country Link
CA (1) CA630775A (en)

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