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CA658592A - Drill construction - Google Patents

Drill construction

Info

Publication number
CA658592A
CA658592A CA658592A CA658592DA CA658592A CA 658592 A CA658592 A CA 658592A CA 658592 A CA658592 A CA 658592A CA 658592D A CA658592D A CA 658592DA CA 658592 A CA658592 A CA 658592A
Authority
CA
Canada
Prior art keywords
drill construction
drill
construction
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
CA658592A
Inventor
R. Poulin Allan
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.)
National Twist Drill and Tool Co
Original Assignee
National Twist Drill and Tool Co
Publication date
Application granted granted Critical
Publication of CA658592A publication Critical patent/CA658592A/en
Expired legal-status Critical Current

Links

CA658592A Drill construction Expired CA658592A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA658592T

Publications (1)

Publication Number Publication Date
CA658592A true CA658592A (en) 1963-02-26

Family

ID=35951938

Family Applications (1)

Application Number Title Priority Date Filing Date
CA658592A Expired CA658592A (en) Drill construction

Country Status (1)

Country Link
CA (1) CA658592A (en)

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