CA472660A - Perforatrices - Google Patents

Perforatrices

Info

Publication number
CA472660A
CA472660A CA472660A CA472660DA CA472660A CA 472660 A CA472660 A CA 472660A CA 472660 A CA472660 A CA 472660A CA 472660D A CA472660D A CA 472660DA CA 472660 A CA472660 A CA 472660A
Authority
CA
Canada
Prior art keywords
drilling machines
drilling
machines
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
CA472660A
Other languages
English (en)
Inventor
H. Fuehrer George
W. Hosking Charles
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 CA472660A publication Critical patent/CA472660A/fr
Expired legal-status Critical Current

Links

CA472660A Perforatrices Expired CA472660A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA472660T

Publications (1)

Publication Number Publication Date
CA472660A true CA472660A (fr) 1951-04-03

Family

ID=35606620

Family Applications (1)

Application Number Title Priority Date Filing Date
CA472660A Expired CA472660A (fr) Perforatrices

Country Status (1)

Country Link
CA (1) CA472660A (fr)

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