CA393457A - Rock drill - Google Patents

Rock drill

Info

Publication number
CA393457A
CA393457A CA393457A CA393457DA CA393457A CA 393457 A CA393457 A CA 393457A CA 393457 A CA393457 A CA 393457A CA 393457D A CA393457D A CA 393457DA CA 393457 A CA393457 A CA 393457A
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
CA393457A
Other languages
French (fr)
Inventor
Rule James
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 CA393457A publication Critical patent/CA393457A/en
Expired legal-status Critical Current

Links

CA393457A Rock drill Expired CA393457A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA393457T

Publications (1)

Publication Number Publication Date
CA393457A true CA393457A (en) 1940-12-31

Family

ID=35400961

Family Applications (1)

Application Number Title Priority Date Filing Date
CA393457A Expired CA393457A (en) Rock drill

Country Status (1)

Country Link
CA (1) CA393457A (en)

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