CA576486A - Collet pour aciers de perforatrice - Google Patents

Collet pour aciers de perforatrice

Info

Publication number
CA576486A
CA576486A CA576486A CA576486DA CA576486A CA 576486 A CA576486 A CA 576486A CA 576486 A CA576486 A CA 576486A CA 576486D A CA576486D A CA 576486DA CA 576486 A CA576486 A CA 576486A
Authority
CA
Canada
Prior art keywords
collar
drill steels
steels
drill
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
CA576486A
Other languages
English (en)
Inventor
Clarence E. Sears
Original Assignee
Canadian Ingersoll Rand Co Ltd
Publication date
Application granted granted Critical
Publication of CA576486A publication Critical patent/CA576486A/fr
Expired legal-status Critical Current

Links

CA576486A Collet pour aciers de perforatrice Expired CA576486A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA576486T

Publications (1)

Publication Number Publication Date
CA576486A true CA576486A (fr) 1959-05-26

Family

ID=35752346

Family Applications (1)

Application Number Title Priority Date Filing Date
CA576486A Expired CA576486A (fr) Collet pour aciers de perforatrice

Country Status (1)

Country Link
CA (1) CA576486A (fr)

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