CA847732A - Positioner for rock drills - Google Patents

Positioner for rock drills

Info

Publication number
CA847732A
CA847732A CA847732A CA847732DA CA847732A CA 847732 A CA847732 A CA 847732A CA 847732 A CA847732 A CA 847732A CA 847732D A CA847732D A CA 847732DA CA 847732 A CA847732 A CA 847732A
Authority
CA
Canada
Prior art keywords
positioner
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
CA847732A
Inventor
C. Huffman Mervin
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 CA847732A publication Critical patent/CA847732A/en
Expired legal-status Critical Current

Links

CA847732A Positioner for rock drills Expired CA847732A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA847732T

Publications (1)

Publication Number Publication Date
CA847732A true CA847732A (en) 1970-07-28

Family

ID=36331958

Family Applications (1)

Application Number Title Priority Date Filing Date
CA847732A Expired CA847732A (en) Positioner for rock drills

Country Status (1)

Country Link
CA (1) CA847732A (en)

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