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CA631911A - Percussion drill - Google Patents

Percussion drill

Info

Publication number
CA631911A
CA631911A CA631911A CA631911DA CA631911A CA 631911 A CA631911 A CA 631911A CA 631911 A CA631911 A CA 631911A CA 631911D A CA631911D A CA 631911DA CA 631911 A CA631911 A CA 631911A
Authority
CA
Canada
Prior art keywords
percussion drill
percussion
drill
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
CA631911A
Inventor
E. Feucht Jacob
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.)
Westinghouse Air Brake Co
Original Assignee
Westinghouse Air Brake Co
Publication date
Application granted granted Critical
Publication of CA631911A publication Critical patent/CA631911A/en
Expired legal-status Critical Current

Links

CA631911A Percussion drill Expired CA631911A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA631911T

Publications (1)

Publication Number Publication Date
CA631911A true CA631911A (en) 1961-11-28

Family

ID=35888056

Family Applications (1)

Application Number Title Priority Date Filing Date
CA631911A Expired CA631911A (en) Percussion drill

Country Status (1)

Country Link
CA (1) CA631911A (en)

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