CA892425A - Control system for rock drills - Google Patents

Control system for rock drills

Info

Publication number
CA892425A
CA892425A CA892425A CA892425DA CA892425A CA 892425 A CA892425 A CA 892425A CA 892425 A CA892425 A CA 892425A CA 892425D A CA892425D A CA 892425DA CA 892425 A CA892425 A CA 892425A
Authority
CA
Canada
Prior art keywords
control system
rock drills
drills
rock
control
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
CA892425A
Inventor
B. Hanson Laurence
W. Wallace Arthur
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.)
Gardner Denver Inc
Original Assignee
Gardner Denver Inc
Publication date
Application granted granted Critical
Publication of CA892425A publication Critical patent/CA892425A/en
Expired legal-status Critical Current

Links

CA892425A Control system for rock drills Expired CA892425A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA892425T

Publications (1)

Publication Number Publication Date
CA892425A true CA892425A (en) 1972-02-08

Family

ID=36398504

Family Applications (1)

Application Number Title Priority Date Filing Date
CA892425A Expired CA892425A (en) Control system for rock drills

Country Status (1)

Country Link
CA (1) CA892425A (en)

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