CA66524A - Machine a percer - Google Patents

Machine a percer

Info

Publication number
CA66524A
CA66524A CA000066524A CA66524DA CA66524A CA 66524 A CA66524 A CA 66524A CA 000066524 A CA000066524 A CA 000066524A CA 66524D A CA66524D A CA 66524DA CA 66524 A CA66524 A CA 66524A
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
CA000066524A
Other languages
English (en)
Inventor
Alfred Gozzard
W.M. Mcfarlane
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA66524A publication Critical patent/CA66524A/fr
Expired legal-status Critical Current

Links

CA000066524A 1899-03-08 1899-03-08 Machine a percer Expired CA66524A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA66524T 1899-03-08

Publications (1)

Publication Number Publication Date
CA66524A true CA66524A (fr) 1900-03-09

Family

ID=45183062

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000066524A Expired CA66524A (fr) 1899-03-08 1899-03-08 Machine a percer

Country Status (1)

Country Link
CA (1) CA66524A (fr)

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