CA407365A - Perforatrice a roc - Google Patents

Perforatrice a roc

Info

Publication number
CA407365A
CA407365A CA407365A CA407365DA CA407365A CA 407365 A CA407365 A CA 407365A CA 407365 A CA407365 A CA 407365A CA 407365D A CA407365D A CA 407365DA CA 407365 A CA407365 A CA 407365A
Authority
CA
Canada
Prior art keywords
rock drill
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
CA407365A
Other languages
English (en)
Inventor
Padley Leonard
Alfred Morgan George
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 CA407365A publication Critical patent/CA407365A/fr
Expired legal-status Critical Current

Links

CA407365A Perforatrice a roc Expired CA407365A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA407365T

Publications (1)

Publication Number Publication Date
CA407365A true CA407365A (fr) 1942-09-15

Family

ID=35418665

Family Applications (1)

Application Number Title Priority Date Filing Date
CA407365A Expired CA407365A (fr) Perforatrice a roc

Country Status (1)

Country Link
CA (1) CA407365A (fr)

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