CA70729A - Mecanisme pour barres a mines - Google Patents

Mecanisme pour barres a mines

Info

Publication number
CA70729A
CA70729A CA000070729A CA70729DA CA70729A CA 70729 A CA70729 A CA 70729A CA 000070729 A CA000070729 A CA 000070729A CA 70729D A CA70729D A CA 70729DA CA 70729 A CA70729 A CA 70729A
Authority
CA
Canada
Prior art keywords
rock drill
drill mechanism
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
CA000070729A
Other languages
English (en)
Inventor
Lafayette Durkee
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.)
Mine and Smelter Supply Co
Original Assignee
Mine and Smelter Supply 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 Mine and Smelter Supply Co filed Critical Mine and Smelter Supply Co
Application granted granted Critical
Publication of CA70729A publication Critical patent/CA70729A/fr
Expired legal-status Critical Current

Links

CA000070729A 1901-03-06 1901-03-06 Mecanisme pour barres a mines Expired CA70729A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA70729T 1901-03-06

Publications (1)

Publication Number Publication Date
CA70729A true CA70729A (fr) 1901-03-26

Family

ID=45187266

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000070729A Expired CA70729A (fr) 1901-03-06 1901-03-06 Mecanisme pour barres a mines

Country Status (1)

Country Link
CA (1) CA70729A (fr)

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