CA228986A - Meche de foret - Google Patents

Meche de foret

Info

Publication number
CA228986A
CA228986A CA228986A CA228986DA CA228986A CA 228986 A CA228986 A CA 228986A CA 228986 A CA228986 A CA 228986A CA 228986D A CA228986D A CA 228986DA CA 228986 A CA228986 A CA 228986A
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
CA228986A
Other languages
English (en)
Inventor
Joseph Brossoit James
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 CA228986A publication Critical patent/CA228986A/fr
Expired legal-status Critical Current

Links

CA228986A Meche de foret Expired CA228986A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA228986T

Publications (1)

Publication Number Publication Date
CA228986A true CA228986A (fr) 1923-02-27

Family

ID=35126359

Family Applications (1)

Application Number Title Priority Date Filing Date
CA228986A Expired CA228986A (fr) Meche de foret

Country Status (1)

Country Link
CA (1) CA228986A (fr)

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