CA69133A - Machine a percer - Google Patents

Machine a percer

Info

Publication number
CA69133A
CA69133A CA000069133A CA69133DA CA69133A CA 69133 A CA69133 A CA 69133A CA 000069133 A CA000069133 A CA 000069133A CA 69133D A CA69133D A CA 69133DA CA 69133 A CA69133 A CA 69133A
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
CA000069133A
Other languages
English (en)
Inventor
Robert Lunnan Ambrose
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.)
RAND DRILL Co
Original Assignee
RAND DRILL Co
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 RAND DRILL Co filed Critical RAND DRILL Co
Application granted granted Critical
Publication of CA69133A publication Critical patent/CA69133A/fr
Expired legal-status Critical Current

Links

CA000069133A 1900-01-18 1900-01-18 Machine a percer Expired CA69133A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA69133T 1900-01-18

Publications (1)

Publication Number Publication Date
CA69133A true CA69133A (fr) 1900-10-27

Family

ID=45185671

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000069133A Expired CA69133A (fr) 1900-01-18 1900-01-18 Machine a percer

Country Status (1)

Country Link
CA (1) CA69133A (fr)

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