CA729037A - Combination core bit - Google Patents

Combination core bit

Info

Publication number
CA729037A
CA729037A CA729037A CA729037DA CA729037A CA 729037 A CA729037 A CA 729037A CA 729037 A CA729037 A CA 729037A CA 729037D A CA729037D A CA 729037DA CA 729037 A CA729037 A CA 729037A
Authority
CA
Canada
Prior art keywords
core bit
combination core
combination
bit
core
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
CA729037A
Inventor
A. Morlan Erwin
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.)
Hughes Tool Co
Original Assignee
Hughes Tool Co
Publication date
Application granted granted Critical
Publication of CA729037A publication Critical patent/CA729037A/en
Expired legal-status Critical Current

Links

CA729037A Combination core bit Expired CA729037A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA729037T

Publications (1)

Publication Number Publication Date
CA729037A true CA729037A (en) 1966-03-01

Family

ID=36067955

Family Applications (1)

Application Number Title Priority Date Filing Date
CA729037A Expired CA729037A (en) Combination core bit

Country Status (1)

Country Link
CA (1) CA729037A (en)

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