CA299607A - Meche de foret - Google Patents

Meche de foret

Info

Publication number
CA299607A
CA299607A CA299607A CA299607DA CA299607A CA 299607 A CA299607 A CA 299607A CA 299607 A CA299607 A CA 299607A CA 299607D A CA299607D A CA 299607DA CA 299607 A CA299607 A CA 299607A
Authority
CA
Canada
Prior art keywords
drill point
drill
point
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
CA299607A
Other languages
English (en)
Inventor
S. Mulock Fred
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.)
United States Smelting Refining and Mining Co
Original Assignee
United States Smelting Refining and Mining Co
Publication date
Application granted granted Critical
Publication of CA299607A publication Critical patent/CA299607A/fr
Expired legal-status Critical Current

Links

CA299607A Meche de foret Expired CA299607A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA299607T

Publications (1)

Publication Number Publication Date
CA299607A true CA299607A (fr) 1930-04-22

Family

ID=35236926

Family Applications (1)

Application Number Title Priority Date Filing Date
CA299607A Expired CA299607A (fr) Meche de foret

Country Status (1)

Country Link
CA (1) CA299607A (fr)

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