CA304310A - Foret a meche amovible - Google Patents

Foret a meche amovible

Info

Publication number
CA304310A
CA304310A CA304310A CA304310DA CA304310A CA 304310 A CA304310 A CA 304310A CA 304310 A CA304310 A CA 304310A CA 304310D A CA304310D A CA 304310DA CA 304310 A CA304310 A CA 304310A
Authority
CA
Canada
Prior art keywords
drilling tool
detachable bit
detachable
bit
drilling
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
CA304310A
Other languages
English (en)
Inventor
S. Mccullough Elzadore
B. Smith Asa
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 CA304310A publication Critical patent/CA304310A/fr
Expired legal-status Critical Current

Links

CA304310A Foret a meche amovible Expired CA304310A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA304310T

Publications (1)

Publication Number Publication Date
CA304310A true CA304310A (fr) 1930-09-30

Family

ID=35257456

Family Applications (1)

Application Number Title Priority Date Filing Date
CA304310A Expired CA304310A (fr) Foret a meche amovible

Country Status (1)

Country Link
CA (1) CA304310A (fr)

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