CA275603A - Meche de perforatrice rotative - Google Patents

Meche de perforatrice rotative

Info

Publication number
CA275603A
CA275603A CA275603A CA275603DA CA275603A CA 275603 A CA275603 A CA 275603A CA 275603 A CA275603 A CA 275603A CA 275603D A CA275603D A CA 275603DA CA 275603 A CA275603 A CA 275603A
Authority
CA
Canada
Prior art keywords
drill bit
rotary drill
rotary
bit
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
CA275603A
Other languages
English (en)
Inventor
E. Reed Clarence
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA275603A publication Critical patent/CA275603A/fr
Expired legal-status Critical Current

Links

CA275603A Meche de perforatrice rotative Expired CA275603A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA275603T

Publications (1)

Publication Number Publication Date
CA275603A true CA275603A (fr) 1927-11-22

Family

ID=35205635

Family Applications (1)

Application Number Title Priority Date Filing Date
CA275603A Expired CA275603A (fr) Meche de perforatrice rotative

Country Status (1)

Country Link
CA (1) CA275603A (fr)

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