CA400970A - Mecanisme d'avance de perforatrice a roc - Google Patents

Mecanisme d'avance de perforatrice a roc

Info

Publication number
CA400970A
CA400970A CA400970A CA400970DA CA400970A CA 400970 A CA400970 A CA 400970A CA 400970 A CA400970 A CA 400970A CA 400970D A CA400970D A CA 400970DA CA 400970 A CA400970 A CA 400970A
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
CA400970A
Other languages
English (en)
Inventor
Faucht Albert
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.)
Cleveland Rock Drill Co
Original Assignee
Cleveland Rock Drill Co
Publication date
Application granted granted Critical
Publication of CA400970A publication Critical patent/CA400970A/fr
Expired legal-status Critical Current

Links

CA400970A Mecanisme d'avance de perforatrice a roc Expired CA400970A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA400970T

Publications (1)

Publication Number Publication Date
CA400970A true CA400970A (fr) 1941-11-25

Family

ID=35411416

Family Applications (1)

Application Number Title Priority Date Filing Date
CA400970A Expired CA400970A (fr) Mecanisme d'avance de perforatrice a roc

Country Status (1)

Country Link
CA (1) CA400970A (fr)

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