CA291789A - Mecanisme de perforatrice - Google Patents

Mecanisme de perforatrice

Info

Publication number
CA291789A
CA291789A CA291789A CA291789DA CA291789A CA 291789 A CA291789 A CA 291789A CA 291789 A CA291789 A CA 291789A CA 291789D A CA291789D A CA 291789DA CA 291789 A CA291789 A CA 291789A
Authority
CA
Canada
Prior art keywords
drill mechanism
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
CA291789A
Other languages
English (en)
Inventor
William Hulshizer George
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Publication date
Application granted granted Critical
Publication of CA291789A publication Critical patent/CA291789A/fr
Expired legal-status Critical Current

Links

CA291789A Mecanisme de perforatrice Expired CA291789A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA291789T

Publications (1)

Publication Number Publication Date
CA291789A true CA291789A (fr) 1929-07-30

Family

ID=35228601

Family Applications (1)

Application Number Title Priority Date Filing Date
CA291789A Expired CA291789A (fr) Mecanisme de perforatrice

Country Status (1)

Country Link
CA (1) CA291789A (fr)

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