CA200064A - Mecanisme des tiroirs de foret a roc - Google Patents

Mecanisme des tiroirs de foret a roc

Info

Publication number
CA200064A
CA200064A CA200064A CA200064DA CA200064A CA 200064 A CA200064 A CA 200064A CA 200064 A CA200064 A CA 200064A CA 200064D A CA200064D A CA 200064DA CA 200064 A CA200064 A CA 200064A
Authority
CA
Canada
Prior art keywords
valve gear
rock drills
drills
rock
gear
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
CA200064A
Other languages
English (en)
Inventor
Climax Rock Drill And Engineering Works The
De Hele St. Stephens Raynar
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA200064A publication Critical patent/CA200064A/fr
Expired legal-status Critical Current

Links

CA200064A Mecanisme des tiroirs de foret a roc Expired CA200064A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA200064T

Publications (1)

Publication Number Publication Date
CA200064A true CA200064A (fr) 1920-05-11

Family

ID=35074501

Family Applications (1)

Application Number Title Priority Date Filing Date
CA200064A Expired CA200064A (fr) Mecanisme des tiroirs de foret a roc

Country Status (1)

Country Link
CA (1) CA200064A (fr)

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