CA519840A - Outil de forage - Google Patents

Outil de forage

Info

Publication number
CA519840A
CA519840A CA519840A CA519840DA CA519840A CA 519840 A CA519840 A CA 519840A CA 519840 A CA519840 A CA 519840A CA 519840D A CA519840D A CA 519840DA CA 519840 A CA519840 A CA 519840A
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
CA519840A
Other languages
English (en)
Inventor
Adamson Patrick
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 CA519840A publication Critical patent/CA519840A/fr
Expired legal-status Critical Current

Links

CA519840A Outil de forage Expired CA519840A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA519840T

Publications (1)

Publication Number Publication Date
CA519840A true CA519840A (fr) 1955-12-27

Family

ID=35673050

Family Applications (1)

Application Number Title Priority Date Filing Date
CA519840A Expired CA519840A (fr) Outil de forage

Country Status (1)

Country Link
CA (1) CA519840A (fr)

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