CA215640A - Machine a miner - Google Patents

Machine a miner

Info

Publication number
CA215640A
CA215640A CA215640A CA215640DA CA215640A CA 215640 A CA215640 A CA 215640A CA 215640 A CA215640 A CA 215640A CA 215640D A CA215640D A CA 215640DA CA 215640 A CA215640 A CA 215640A
Authority
CA
Canada
Prior art keywords
mining machinery
mining
machinery
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
CA215640A
Other languages
English (en)
Inventor
W. Robbins William
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 CA215640A publication Critical patent/CA215640A/fr
Expired legal-status Critical Current

Links

CA215640A Machine a miner Expired CA215640A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA215640T

Publications (1)

Publication Number Publication Date
CA215640A true CA215640A (fr) 1922-02-07

Family

ID=35110084

Family Applications (1)

Application Number Title Priority Date Filing Date
CA215640A Expired CA215640A (fr) Machine a miner

Country Status (1)

Country Link
CA (1) CA215640A (fr)

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