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CA712028A - Apparatus for drilling in earth covered rock - Google Patents

Apparatus for drilling in earth covered rock

Info

Publication number
CA712028A
CA712028A CA712028A CA712028DA CA712028A CA 712028 A CA712028 A CA 712028A CA 712028 A CA712028 A CA 712028A CA 712028D A CA712028D A CA 712028DA CA 712028 A CA712028 A CA 712028A
Authority
CA
Canada
Prior art keywords
drilling
earth covered
covered rock
rock
earth
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
CA712028A
Inventor
R. Genberg Bengt
A. Hjalsten John
O. Lindgren Carl
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.)
Atlas Copco AB
Sandvik AB
Original Assignee
Sandvikens Jernverks AB
Atlas Copco AB
Publication date
Application granted granted Critical
Publication of CA712028A publication Critical patent/CA712028A/en
Expired legal-status Critical Current

Links

CA712028A Apparatus for drilling in earth covered rock Expired CA712028A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA712028T

Publications (1)

Publication Number Publication Date
CA712028A true CA712028A (en) 1965-06-22

Family

ID=36041307

Family Applications (1)

Application Number Title Priority Date Filing Date
CA712028A Expired CA712028A (en) Apparatus for drilling in earth covered rock

Country Status (1)

Country Link
CA (1) CA712028A (en)

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