CA260701A - Perforatrice de roc - Google Patents

Perforatrice de roc

Info

Publication number
CA260701A
CA260701A CA260701A CA260701DA CA260701A CA 260701 A CA260701 A CA 260701A CA 260701 A CA260701 A CA 260701A CA 260701D A CA260701D A CA 260701DA CA 260701 A CA260701 A CA 260701A
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
CA260701A
Other languages
English (en)
Inventor
Condict Batles Lewis
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 CA260701A publication Critical patent/CA260701A/fr
Expired legal-status Critical Current

Links

CA260701A Perforatrice de roc Expired CA260701A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA260701T

Publications (1)

Publication Number Publication Date
CA260701A true CA260701A (fr) 1926-05-11

Family

ID=35188651

Family Applications (1)

Application Number Title Priority Date Filing Date
CA260701A Expired CA260701A (fr) Perforatrice de roc

Country Status (1)

Country Link
CA (1) CA260701A (fr)

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