CA50326A - Drille pour mines - Google Patents

Drille pour mines

Info

Publication number
CA50326A
CA50326A CA000050326A CA50326DA CA50326A CA 50326 A CA50326 A CA 50326A CA 000050326 A CA000050326 A CA 000050326A CA 50326D A CA50326D A CA 50326DA CA 50326 A CA50326 A CA 50326A
Authority
CA
Canada
Prior art keywords
miners
duplex drill
duplex
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
CA000050326A
Other languages
English (en)
Inventor
Edward Carnduff
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
Publication date
Application granted granted Critical
Publication of CA50326A publication Critical patent/CA50326A/fr
Expired legal-status Critical Current

Links

CA000050326A Drille pour mines Expired CA50326A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA50326T

Publications (1)

Publication Number Publication Date
CA50326A true CA50326A (fr) 1895-10-19

Family

ID=45166865

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000050326A Expired CA50326A (fr) Drille pour mines

Country Status (1)

Country Link
CA (1) CA50326A (fr)

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