CA305292A - Perforatrice a roc - Google Patents

Perforatrice a roc

Info

Publication number
CA305292A
CA305292A CA305292A CA305292DA CA305292A CA 305292 A CA305292 A CA 305292A CA 305292 A CA305292 A CA 305292A CA 305292D A CA305292D A CA 305292DA CA 305292 A CA305292 A CA 305292A
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
CA305292A
Other languages
English (en)
Inventor
Auger Joseph
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 CA305292A publication Critical patent/CA305292A/fr
Expired legal-status Critical Current

Links

CA305292A Perforatrice a roc Expired CA305292A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA305292T

Publications (1)

Publication Number Publication Date
CA305292A true CA305292A (fr) 1930-11-04

Family

ID=35258441

Family Applications (1)

Application Number Title Priority Date Filing Date
CA305292A Expired CA305292A (fr) Perforatrice a roc

Country Status (1)

Country Link
CA (1) CA305292A (fr)

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