CA330363A - Perforatrice a roc - Google Patents

Perforatrice a roc

Info

Publication number
CA330363A
CA330363A CA330363A CA330363DA CA330363A CA 330363 A CA330363 A CA 330363A CA 330363 A CA330363 A CA 330363A CA 330363D A CA330363D A CA 330363DA CA 330363 A CA330363 A CA 330363A
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
CA330363A
Other languages
English (en)
Inventor
Sidney Uhler Algernon
William Augustus Smith, Sr.
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 CA330363A publication Critical patent/CA330363A/fr
Expired legal-status Critical Current

Links

CA330363A Perforatrice a roc Expired CA330363A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA330363T

Publications (1)

Publication Number Publication Date
CA330363A true CA330363A (fr) 1933-02-21

Family

ID=35292733

Family Applications (1)

Application Number Title Priority Date Filing Date
CA330363A Expired CA330363A (fr) Perforatrice a roc

Country Status (1)

Country Link
CA (1) CA330363A (fr)

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