CA538284A - Meche de foret - Google Patents

Meche de foret

Info

Publication number
CA538284A
CA538284A CA538284A CA538284DA CA538284A CA 538284 A CA538284 A CA 538284A CA 538284 A CA538284 A CA 538284A CA 538284D A CA538284D A CA 538284DA CA 538284 A CA538284 A CA 538284A
Authority
CA
Canada
Prior art keywords
drill bit
drill
bit
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
CA538284A
Other languages
English (en)
Inventor
J. Toms Ernest
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 CA538284A publication Critical patent/CA538284A/fr
Expired legal-status Critical Current

Links

CA538284A Meche de foret Expired CA538284A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA538284T

Publications (1)

Publication Number Publication Date
CA538284A true CA538284A (fr) 1957-03-19

Family

ID=35692920

Family Applications (1)

Application Number Title Priority Date Filing Date
CA538284A Expired CA538284A (fr) Meche de foret

Country Status (1)

Country Link
CA (1) CA538284A (fr)

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