CA915669A - Drag bits - Google Patents

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Publication number
CA915669A
CA915669A CA915669A CA915669DA CA915669A CA 915669 A CA915669 A CA 915669A CA 915669 A CA915669 A CA 915669A CA 915669D A CA915669D A CA 915669DA CA 915669 A CA915669 A CA 915669A
Authority
CA
Canada
Prior art keywords
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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
CA915669A
Inventor
James L. Foster, Jr.
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.)
TARTAN INDUSTRIES
Original Assignee
TARTAN INDUSTRIES
Publication date
Application granted granted Critical
Publication of CA915669A publication Critical patent/CA915669A/en
Expired legal-status Critical Current

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CA915669A Drag bits Expired CA915669A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA915669T

Publications (1)

Publication Number Publication Date
CA915669A true CA915669A (en) 1972-11-28

Family

ID=36423139

Family Applications (1)

Application Number Title Priority Date Filing Date
CA915669A Expired CA915669A (en) Drag bits

Country Status (1)

Country Link
CA (1) CA915669A (en)

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