CA156326A - Appareil d'assai de forts a roc - Google Patents

Appareil d'assai de forts a roc

Info

Publication number
CA156326A
CA156326A CA000156326A CA156326DA CA156326A CA 156326 A CA156326 A CA 156326A CA 000156326 A CA000156326 A CA 000156326A CA 156326D A CA156326D A CA 156326DA CA 156326 A CA156326 A CA 156326A
Authority
CA
Canada
Prior art keywords
tester
rock drill
drill
rock
drill tester
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
CA000156326A
Other languages
English (en)
Inventor
William Douglas Paynter
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 CA156326A publication Critical patent/CA156326A/fr
Expired legal-status Critical Current

Links

CA000156326A 1914-03-05 1914-03-05 Appareil d'assai de forts a roc Expired CA156326A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA156326T 1914-03-05

Publications (1)

Publication Number Publication Date
CA156326A true CA156326A (fr) 1914-06-16

Family

ID=45276033

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000156326A Expired CA156326A (fr) 1914-03-05 1914-03-05 Appareil d'assai de forts a roc

Country Status (1)

Country Link
CA (1) CA156326A (fr)

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