CA211652A - Foret a roc mecanique - Google Patents

Foret a roc mecanique

Info

Publication number
CA211652A
CA211652A CA211652A CA211652DA CA211652A CA 211652 A CA211652 A CA 211652A CA 211652 A CA211652 A CA 211652A CA 211652D A CA211652D A CA 211652DA CA 211652 A CA211652 A CA 211652A
Authority
CA
Canada
Prior art keywords
power driven
rock drill
driven rock
drill
power
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
CA211652A
Other languages
English (en)
Inventor
Kellow Moses
Quarries Croesor
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.)
KELLOW ROCK DRILL SYNDICATE
Original Assignee
KELLOW ROCK DRILL SYNDICATE
Publication date
Application granted granted Critical
Publication of CA211652A publication Critical patent/CA211652A/fr
Expired legal-status Critical Current

Links

CA211652A Foret a roc mecanique Expired CA211652A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA211652T

Publications (1)

Publication Number Publication Date
CA211652A true CA211652A (fr) 1921-05-17

Family

ID=35105431

Family Applications (1)

Application Number Title Priority Date Filing Date
CA211652A Expired CA211652A (fr) Foret a roc mecanique

Country Status (1)

Country Link
CA (1) CA211652A (fr)

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