CA452467A - Outil a forer - Google Patents

Outil a forer

Info

Publication number
CA452467A
CA452467A CA452467A CA452467DA CA452467A CA 452467 A CA452467 A CA 452467A CA 452467 A CA452467 A CA 452467A CA 452467D A CA452467D A CA 452467DA CA 452467 A CA452467 A CA 452467A
Authority
CA
Canada
Prior art keywords
drill bit
drill
bit
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
CA452467A
Other languages
English (en)
Inventor
Edward Bennett Williams, Jr.
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 CA452467A publication Critical patent/CA452467A/fr
Expired legal-status Critical Current

Links

CA452467A Outil a forer Expired CA452467A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA452467T

Publications (1)

Publication Number Publication Date
CA452467A true CA452467A (fr) 1948-11-09

Family

ID=35570197

Family Applications (1)

Application Number Title Priority Date Filing Date
CA452467A Expired CA452467A (fr) Outil a forer

Country Status (1)

Country Link
CA (1) CA452467A (fr)

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