CA166070A - Foret a roc - Google Patents

Foret a roc

Info

Publication number
CA166070A
CA166070A CA000166070A CA166070DA CA166070A CA 166070 A CA166070 A CA 166070A CA 000166070 A CA000166070 A CA 000166070A CA 166070D A CA166070D A CA 166070DA CA 166070 A CA166070 A CA 166070A
Authority
CA
Canada
Prior art keywords
rock drill
drill
rock
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
CA000166070A
Other languages
English (en)
Inventor
George W. Howell
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA166070A publication Critical patent/CA166070A/fr
Expired legal-status Critical Current

Links

CA000166070A 1915-09-07 1915-09-07 Foret a roc Expired CA166070A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA166070T 1915-09-07

Publications (1)

Publication Number Publication Date
CA166070A true CA166070A (fr) 1915-11-16

Family

ID=45285748

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000166070A Expired CA166070A (fr) 1915-09-07 1915-09-07 Foret a roc

Country Status (1)

Country Link
CA (1) CA166070A (fr)

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