CA284573A - Tube de perforatrice - Google Patents

Tube de perforatrice

Info

Publication number
CA284573A
CA284573A CA284573A CA284573DA CA284573A CA 284573 A CA284573 A CA 284573A CA 284573 A CA284573 A CA 284573A CA 284573D A CA284573D A CA 284573DA CA 284573 A CA284573 A CA 284573A
Authority
CA
Canada
Prior art keywords
drill tube
drill
tube
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
CA284573A
Other languages
English (en)
Inventor
C. Bayles Lewis
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 CA284573A publication Critical patent/CA284573A/fr
Expired legal-status Critical Current

Links

CA284573A Tube de perforatrice Expired CA284573A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA284573T

Publications (1)

Publication Number Publication Date
CA284573A true CA284573A (fr) 1928-11-06

Family

ID=35217664

Family Applications (1)

Application Number Title Priority Date Filing Date
CA284573A Expired CA284573A (fr) Tube de perforatrice

Country Status (1)

Country Link
CA (1) CA284573A (fr)

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