CA374640A - Rock drill - Google Patents

Rock drill

Info

Publication number
CA374640A
CA374640A CA374640A CA374640DA CA374640A CA 374640 A CA374640 A CA 374640A CA 374640 A CA374640 A CA 374640A CA 374640D A CA374640D A CA 374640DA CA 374640 A CA374640 A CA 374640A
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
CA374640A
Other languages
French (fr)
Inventor
J. Mccallum William
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 CA374640A publication Critical patent/CA374640A/en
Expired legal-status Critical Current

Links

CA374640A Rock drill Expired CA374640A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA374640T

Publications (1)

Publication Number Publication Date
CA374640A true CA374640A (en) 1938-06-21

Family

ID=35378964

Family Applications (1)

Application Number Title Priority Date Filing Date
CA374640A Expired CA374640A (en) Rock drill

Country Status (1)

Country Link
CA (1) CA374640A (en)

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