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CA819988A - Twist drill grinding machines - Google Patents

Twist drill grinding machines

Info

Publication number
CA819988A
CA819988A CA819988A CA819988DA CA819988A CA 819988 A CA819988 A CA 819988A CA 819988 A CA819988 A CA 819988A CA 819988D A CA819988D A CA 819988DA CA 819988 A CA819988 A CA 819988A
Authority
CA
Canada
Prior art keywords
grinding machines
twist drill
drill grinding
twist
machines
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
CA819988A
Inventor
M. Bramhall John
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.)
Sheffield Twist Drill and Steel Co Ltd
Original Assignee
Sheffield Twist Drill and Steel Co Ltd
Publication date
Application granted granted Critical
Publication of CA819988A publication Critical patent/CA819988A/en
Expired legal-status Critical Current

Links

CA819988A Twist drill grinding machines Expired CA819988A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA819988T

Publications (1)

Publication Number Publication Date
CA819988A true CA819988A (en) 1969-08-12

Family

ID=36292557

Family Applications (1)

Application Number Title Priority Date Filing Date
CA819988A Expired CA819988A (en) Twist drill grinding machines

Country Status (1)

Country Link
CA (1) CA819988A (en)

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