CA752241A - Rock drilling apparatus - Google Patents

Rock drilling apparatus

Info

Publication number
CA752241A
CA752241A CA752241A CA752241DA CA752241A CA 752241 A CA752241 A CA 752241A CA 752241 A CA752241 A CA 752241A CA 752241D A CA752241D A CA 752241DA CA 752241 A CA752241 A CA 752241A
Authority
CA
Canada
Prior art keywords
drilling apparatus
rock drilling
rock
drilling
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
CA752241A
Inventor
Feucht Albert
L. Thomas David
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.)
Westinghouse Air Brake Co
Original Assignee
Westinghouse Air Brake Co
Publication date
Application granted granted Critical
Publication of CA752241A publication Critical patent/CA752241A/en
Expired legal-status Critical Current

Links

CA752241A Rock drilling apparatus Expired CA752241A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA752241T

Publications (1)

Publication Number Publication Date
CA752241A true CA752241A (en) 1967-02-07

Family

ID=36186594

Family Applications (1)

Application Number Title Priority Date Filing Date
CA752241A Expired CA752241A (en) Rock drilling apparatus

Country Status (1)

Country Link
CA (1) CA752241A (en)

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