CA656990A - Rock drill - Google Patents

Rock drill

Info

Publication number
CA656990A
CA656990A CA656990A CA656990DA CA656990A CA 656990 A CA656990 A CA 656990A CA 656990 A CA656990 A CA 656990A CA 656990D A CA656990D A CA 656990DA CA 656990 A CA656990 A CA 656990A
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
CA656990A
Inventor
H. Kurt Ewald
L. Thompson Robert
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 CA656990A publication Critical patent/CA656990A/en
Expired legal-status Critical Current

Links

CA656990A Rock drill Expired CA656990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA656990T

Publications (1)

Publication Number Publication Date
CA656990A true CA656990A (en) 1963-01-29

Family

ID=35950330

Family Applications (1)

Application Number Title Priority Date Filing Date
CA656990A Expired CA656990A (en) Rock drill

Country Status (1)

Country Link
CA (1) CA656990A (en)

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