CA366505A - Perforatrice a roc - Google Patents

Perforatrice a roc

Info

Publication number
CA366505A
CA366505A CA366505A CA366505DA CA366505A CA 366505 A CA366505 A CA 366505A CA 366505 A CA366505 A CA 366505A CA 366505D A CA366505D A CA 366505DA CA 366505 A CA366505 A CA 366505A
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
CA366505A
Other languages
English (en)
Inventor
F. Terry Edward
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 CA366505A publication Critical patent/CA366505A/fr
Expired legal-status Critical Current

Links

CA366505A Perforatrice a roc Expired CA366505A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA366505T

Publications (1)

Publication Number Publication Date
CA366505A true CA366505A (fr) 1937-06-01

Family

ID=35367574

Family Applications (1)

Application Number Title Priority Date Filing Date
CA366505A Expired CA366505A (fr) Perforatrice a roc

Country Status (1)

Country Link
CA (1) CA366505A (fr)

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