CA690436A - Drill bits - Google Patents

Drill bits

Info

Publication number
CA690436A
CA690436A CA690436A CA690436DA CA690436A CA 690436 A CA690436 A CA 690436A CA 690436 A CA690436 A CA 690436A CA 690436D A CA690436D A CA 690436DA CA 690436 A CA690436 A CA 690436A
Authority
CA
Canada
Prior art keywords
drill bits
drill
bits
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
CA690436A
Inventor
T. Williams James
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 CA690436A publication Critical patent/CA690436A/en
Expired legal-status Critical Current

Links

CA690436A Drill bits Expired CA690436A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA690436T

Publications (1)

Publication Number Publication Date
CA690436A true CA690436A (en) 1964-07-14

Family

ID=35993057

Family Applications (1)

Application Number Title Priority Date Filing Date
CA690436A Expired CA690436A (en) Drill bits

Country Status (1)

Country Link
CA (1) CA690436A (en)

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