CA361822A - Avance de perforatrice - Google Patents

Avance de perforatrice

Info

Publication number
CA361822A
CA361822A CA361822A CA361822DA CA361822A CA 361822 A CA361822 A CA 361822A CA 361822 A CA361822 A CA 361822A CA 361822D A CA361822D A CA 361822DA CA 361822 A CA361822 A CA 361822A
Authority
CA
Canada
Prior art keywords
rock drill
drill feed
feed
rock
drill
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
CA361822A
Other languages
English (en)
Inventor
Henry Katterjohn August
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.)
Chicago Pneumatic Tool Co LLC
Original Assignee
Chicago Pneumatic Tool Co LLC
Publication date
Application granted granted Critical
Publication of CA361822A publication Critical patent/CA361822A/fr
Expired legal-status Critical Current

Links

CA361822A Avance de perforatrice Expired CA361822A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA361822T

Publications (1)

Publication Number Publication Date
CA361822A true CA361822A (fr) 1936-11-17

Family

ID=35361161

Family Applications (1)

Application Number Title Priority Date Filing Date
CA361822A Expired CA361822A (fr) Avance de perforatrice

Country Status (1)

Country Link
CA (1) CA361822A (fr)

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