CA401164A - Mecanisme d'avance de perforatrice a roc - Google Patents

Mecanisme d'avance de perforatrice a roc

Info

Publication number
CA401164A
CA401164A CA401164A CA401164DA CA401164A CA 401164 A CA401164 A CA 401164A CA 401164 A CA401164 A CA 401164A CA 401164D A CA401164D A CA 401164DA CA 401164 A CA401164 A CA 401164A
Authority
CA
Canada
Prior art keywords
feeding mechanism
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
CA401164A
Other languages
English (en)
Inventor
C. Pearson Gustav
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 CA401164A publication Critical patent/CA401164A/fr
Expired legal-status Critical Current

Links

CA401164A Mecanisme d'avance de perforatrice a roc Expired CA401164A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA401164T

Publications (1)

Publication Number Publication Date
CA401164A true CA401164A (fr) 1941-12-02

Family

ID=35411610

Family Applications (1)

Application Number Title Priority Date Filing Date
CA401164A Expired CA401164A (fr) Mecanisme d'avance de perforatrice a roc

Country Status (1)

Country Link
CA (1) CA401164A (fr)

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