CA468054A - Rock drills - Google Patents

Rock drills

Info

Publication number
CA468054A
CA468054A CA468054A CA468054DA CA468054A CA 468054 A CA468054 A CA 468054A CA 468054 A CA468054 A CA 468054A CA 468054D A CA468054D A CA 468054DA CA 468054 A CA468054 A CA 468054A
Authority
CA
Canada
Prior art keywords
rock drills
drills
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
CA468054A
Other languages
French (fr)
Inventor
Oram Morris
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.)
Holman Brothers Ltd
Original Assignee
Holman Brothers Ltd
Publication date
Application granted granted Critical
Publication of CA468054A publication Critical patent/CA468054A/en
Expired legal-status Critical Current

Links

CA468054A Rock drills Expired CA468054A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA468054T

Publications (1)

Publication Number Publication Date
CA468054A true CA468054A (en) 1950-09-12

Family

ID=35601975

Family Applications (1)

Application Number Title Priority Date Filing Date
CA468054A Expired CA468054A (en) Rock drills

Country Status (1)

Country Link
CA (1) CA468054A (en)

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