CA72183A - Aiguiseur pour forets a roches - Google Patents

Aiguiseur pour forets a roches

Info

Publication number
CA72183A
CA72183A CA000072183A CA72183DA CA72183A CA 72183 A CA72183 A CA 72183A CA 000072183 A CA000072183 A CA 000072183A CA 72183D A CA72183D A CA 72183DA CA 72183 A CA72183 A CA 72183A
Authority
CA
Canada
Prior art keywords
rock drill
drill sharpener
sharpener
rock
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
CA000072183A
Other languages
English (en)
Inventor
Angus J. Stewart
Alexander Carstens
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 CA72183A publication Critical patent/CA72183A/fr
Expired legal-status Critical Current

Links

CA000072183A 1901-02-22 1901-02-22 Aiguiseur pour forets a roches Expired CA72183A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA72183T 1901-02-22

Publications (1)

Publication Number Publication Date
CA72183A true CA72183A (fr) 1901-07-09

Family

ID=45188720

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000072183A Expired CA72183A (fr) 1901-02-22 1901-02-22 Aiguiseur pour forets a roches

Country Status (1)

Country Link
CA (1) CA72183A (fr)

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