CA84971A - Foret a roche - Google Patents

Foret a roche

Info

Publication number
CA84971A
CA84971A CA000084971A CA84971DA CA84971A CA 84971 A CA84971 A CA 84971A CA 000084971 A CA000084971 A CA 000084971A CA 84971D A CA84971D A CA 84971DA CA 84971 A CA84971 A CA 84971A
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
CA000084971A
Other languages
English (en)
Inventor
Valerius Y. Smith
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 CA84971A publication Critical patent/CA84971A/fr
Expired legal-status Critical Current

Links

CA000084971A 1903-11-25 1903-11-25 Foret a roche Expired CA84971A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA84971T 1903-11-25

Publications (1)

Publication Number Publication Date
CA84971A true CA84971A (fr) 1904-01-19

Family

ID=45201507

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000084971A Expired CA84971A (fr) 1903-11-25 1903-11-25 Foret a roche

Country Status (1)

Country Link
CA (1) CA84971A (fr)

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