CA255955A - Meche de foret - Google Patents

Meche de foret

Info

Publication number
CA255955A
CA255955A CA255955A CA255955DA CA255955A CA 255955 A CA255955 A CA 255955A CA 255955 A CA255955 A CA 255955A CA 255955D A CA255955D A CA 255955DA CA 255955 A CA255955 A CA 255955A
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
CA255955A
Other languages
English (en)
Inventor
R. Watson George
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.)
Armstrong Manufacturing Co
Original Assignee
Armstrong Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA255955A publication Critical patent/CA255955A/fr
Expired legal-status Critical Current

Links

CA255955A Meche de foret Expired CA255955A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA255955T

Publications (1)

Publication Number Publication Date
CA255955A true CA255955A (fr) 1925-12-01

Family

ID=35164504

Family Applications (1)

Application Number Title Priority Date Filing Date
CA255955A Expired CA255955A (fr) Meche de foret

Country Status (1)

Country Link
CA (1) CA255955A (fr)

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