CA316125A - Centreur de fleuret de perforatrice - Google Patents

Centreur de fleuret de perforatrice

Info

Publication number
CA316125A
CA316125A CA316125A CA316125DA CA316125A CA 316125 A CA316125 A CA 316125A CA 316125 A CA316125 A CA 316125A CA 316125D A CA316125D A CA 316125DA CA 316125 A CA316125 A CA 316125A
Authority
CA
Canada
Prior art keywords
centralizer
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
CA316125A
Other languages
English (en)
Inventor
Condict 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 CA316125A publication Critical patent/CA316125A/fr
Expired legal-status Critical Current

Links

CA316125A Centreur de fleuret de perforatrice Expired CA316125A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA316125T

Publications (1)

Publication Number Publication Date
CA316125A true CA316125A (fr) 1931-10-13

Family

ID=35275453

Family Applications (1)

Application Number Title Priority Date Filing Date
CA316125A Expired CA316125A (fr) Centreur de fleuret de perforatrice

Country Status (1)

Country Link
CA (1) CA316125A (fr)

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