CA12537A - Perfectionnements aux machines a miner - Google Patents

Perfectionnements aux machines a miner

Info

Publication number
CA12537A
CA12537A CA000012537A CA12537DA CA12537A CA 12537 A CA12537 A CA 12537A CA 000012537 A CA000012537 A CA 000012537A CA 12537D A CA12537D A CA 12537DA CA 12537 A CA12537 A CA 12537A
Authority
CA
Canada
Prior art keywords
machies
mining
mining machies
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
CA000012537A
Other languages
English (en)
Inventor
Joseph A. Jeffry
Francis M. Lechner
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 CA12537A publication Critical patent/CA12537A/fr
Expired legal-status Critical Current

Links

CA000012537A Perfectionnements aux machines a miner Expired CA12537A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA12537T

Publications (1)

Publication Number Publication Date
CA12537A true CA12537A (fr) 1881-03-23

Family

ID=45129082

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000012537A Expired CA12537A (fr) Perfectionnements aux machines a miner

Country Status (1)

Country Link
CA (1) CA12537A (fr)

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