CA228934A - Rock drill - Google Patents

Rock drill

Info

Publication number
CA228934A
CA228934A CA228934A CA228934DA CA228934A CA 228934 A CA228934 A CA 228934A CA 228934 A CA228934 A CA 228934A CA 228934D A CA228934D A CA 228934DA CA 228934 A CA228934 A CA 228934A
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
CA228934A
Other languages
French (fr)
Inventor
Miners Holman James
Treve Holman Arthur
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA228934A publication Critical patent/CA228934A/en
Expired legal-status Critical Current

Links

CA228934A Rock drill Expired CA228934A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA228934T

Publications (1)

Publication Number Publication Date
CA228934A true CA228934A (en) 1923-02-27

Family

ID=35126307

Family Applications (1)

Application Number Title Priority Date Filing Date
CA228934A Expired CA228934A (en) Rock drill

Country Status (1)

Country Link
CA (1) CA228934A (en)

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