CA327313A - Perforatrice a percussion - Google Patents

Perforatrice a percussion

Info

Publication number
CA327313A
CA327313A CA327313A CA327313DA CA327313A CA 327313 A CA327313 A CA 327313A CA 327313 A CA327313 A CA 327313A CA 327313D A CA327313D A CA 327313DA CA 327313 A CA327313 A CA 327313A
Authority
CA
Canada
Prior art keywords
rock drill
hammer rock
hammer
drill
rock
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
CA327313A
Other languages
English (en)
Inventor
Bergstrom Gunnar
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.)
ROCK DRILL INVENTIONS (PTY) Ltd
Original Assignee
ROCK DRILL INVENTIONS (PTY) Ltd
Publication date
Application granted granted Critical
Publication of CA327313A publication Critical patent/CA327313A/fr
Expired legal-status Critical Current

Links

CA327313A Perforatrice a percussion Expired CA327313A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA327313T

Publications (1)

Publication Number Publication Date
CA327313A true CA327313A (fr) 1932-11-01

Family

ID=35289683

Family Applications (1)

Application Number Title Priority Date Filing Date
CA327313A Expired CA327313A (fr) Perforatrice a percussion

Country Status (1)

Country Link
CA (1) CA327313A (fr)

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