CA400657A - Dispositif d'avance de perforatrice a roc - Google Patents

Dispositif d'avance de perforatrice a roc

Info

Publication number
CA400657A
CA400657A CA400657A CA400657DA CA400657A CA 400657 A CA400657 A CA 400657A CA 400657 A CA400657 A CA 400657A CA 400657D A CA400657D A CA 400657DA CA 400657 A CA400657 A CA 400657A
Authority
CA
Canada
Prior art keywords
feeding device
rock drill
drill feeding
rock
feeding
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
CA400657A
Other languages
English (en)
Inventor
Augustus Smith William
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Publication date
Application granted granted Critical
Publication of CA400657A publication Critical patent/CA400657A/fr
Expired legal-status Critical Current

Links

CA400657A Dispositif d'avance de perforatrice a roc Expired CA400657A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA400657T

Publications (1)

Publication Number Publication Date
CA400657A true CA400657A (fr) 1941-11-11

Family

ID=35411103

Family Applications (1)

Application Number Title Priority Date Filing Date
CA400657A Expired CA400657A (fr) Dispositif d'avance de perforatrice a roc

Country Status (1)

Country Link
CA (1) CA400657A (fr)

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