CA349446A - Perforatrice a roc sans poussiere - Google Patents

Perforatrice a roc sans poussiere

Info

Publication number
CA349446A
CA349446A CA349446A CA349446DA CA349446A CA 349446 A CA349446 A CA 349446A CA 349446 A CA349446 A CA 349446A CA 349446D A CA349446D A CA 349446DA CA 349446 A CA349446 A CA 349446A
Authority
CA
Canada
Prior art keywords
rock drill
dustless
dustless rock
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
CA349446A
Other languages
English (en)
Inventor
Mortimer Slater Fred
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
Publication date
Application granted granted Critical
Publication of CA349446A publication Critical patent/CA349446A/fr
Expired legal-status Critical Current

Links

CA349446A Perforatrice a roc sans poussiere Expired CA349446A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA349446T

Publications (1)

Publication Number Publication Date
CA349446A true CA349446A (fr) 1935-04-09

Family

ID=35337409

Family Applications (1)

Application Number Title Priority Date Filing Date
CA349446A Expired CA349446A (fr) Perforatrice a roc sans poussiere

Country Status (1)

Country Link
CA (1) CA349446A (fr)

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