CA388540A - Rock drill - Google Patents

Rock drill

Info

Publication number
CA388540A
CA388540A CA388540A CA388540DA CA388540A CA 388540 A CA388540 A CA 388540A CA 388540 A CA388540 A CA 388540A CA 388540D A CA388540D A CA 388540DA CA 388540 A CA388540 A CA 388540A
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
CA388540A
Other languages
French (fr)
Inventor
C. Pearson Gustav
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.)
Gardner Denver Inc
Original Assignee
Gardner Denver Inc
Publication date
Application granted granted Critical
Publication of CA388540A publication Critical patent/CA388540A/en
Expired legal-status Critical Current

Links

CA388540A Rock drill Expired CA388540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA388540T

Publications (1)

Publication Number Publication Date
CA388540A true CA388540A (en) 1940-05-07

Family

ID=35393725

Family Applications (1)

Application Number Title Priority Date Filing Date
CA388540A Expired CA388540A (en) Rock drill

Country Status (1)

Country Link
CA (1) CA388540A (en)

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