CA295987A - Rock drill - Google Patents

Rock drill

Info

Publication number
CA295987A
CA295987A CA295987A CA295987DA CA295987A CA 295987 A CA295987 A CA 295987A CA 295987 A CA295987 A CA 295987A CA 295987D A CA295987D A CA 295987DA CA 295987 A CA295987 A CA 295987A
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
CA295987A
Other languages
French (fr)
Inventor
Augustus Smith William
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 CA295987A publication Critical patent/CA295987A/en
Expired legal-status Critical Current

Links

CA295987A Rock drill Expired CA295987A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA295987T

Publications (1)

Publication Number Publication Date
CA295987A true CA295987A (en) 1929-12-24

Family

ID=35233305

Family Applications (1)

Application Number Title Priority Date Filing Date
CA295987A Expired CA295987A (en) Rock drill

Country Status (1)

Country Link
CA (1) CA295987A (en)

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