CA273008A - Perforatrice a roc a percussion - Google Patents

Perforatrice a roc a percussion

Info

Publication number
CA273008A
CA273008A CA273008A CA273008DA CA273008A CA 273008 A CA273008 A CA 273008A CA 273008 A CA273008 A CA 273008A CA 273008D A CA273008D A CA 273008DA CA 273008 A CA273008 A CA 273008A
Authority
CA
Canada
Prior art keywords
rock drill
percussive rock
percussive
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
CA273008A
Other languages
English (en)
Inventor
Penberthy Ernest
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.)
Climax Rock Drill & Engineering Works Ltd
Original Assignee
Climax Rock Drill & Engineering Works Ltd
Publication date
Application granted granted Critical
Publication of CA273008A publication Critical patent/CA273008A/fr
Expired legal-status Critical Current

Links

CA273008A Perforatrice a roc a percussion Expired CA273008A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA273008T

Publications (1)

Publication Number Publication Date
CA273008A true CA273008A (fr) 1927-08-09

Family

ID=35203039

Family Applications (1)

Application Number Title Priority Date Filing Date
CA273008A Expired CA273008A (fr) Perforatrice a roc a percussion

Country Status (1)

Country Link
CA (1) CA273008A (fr)

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