CA52554A - Methode et appareil pour aiguiser et faire les forets de mines - Google Patents

Methode et appareil pour aiguiser et faire les forets de mines

Info

Publication number
CA52554A
CA52554A CA000052554A CA52554DA CA52554A CA 52554 A CA52554 A CA 52554A CA 000052554 A CA000052554 A CA 000052554A CA 52554D A CA52554D A CA 52554DA CA 52554 A CA52554 A CA 52554A
Authority
CA
Canada
Prior art keywords
sharpenting
rock drills
making rock
making
drills
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
CA000052554A
Other languages
English (en)
Inventor
Thomas Henry Bradbury
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 CA52554A publication Critical patent/CA52554A/fr
Expired legal-status Critical Current

Links

CA000052554A 1896-04-16 1896-04-16 Methode et appareil pour aiguiser et faire les forets de mines Expired CA52554A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA52554T 1896-04-16

Publications (1)

Publication Number Publication Date
CA52554A true CA52554A (fr) 1896-06-06

Family

ID=45169093

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000052554A Expired CA52554A (fr) 1896-04-16 1896-04-16 Methode et appareil pour aiguiser et faire les forets de mines

Country Status (1)

Country Link
CA (1) CA52554A (fr)

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