CA374112A - Mining method and apparatus - Google Patents

Mining method and apparatus

Info

Publication number
CA374112A
CA374112A CA374112A CA374112DA CA374112A CA 374112 A CA374112 A CA 374112A CA 374112 A CA374112 A CA 374112A CA 374112D A CA374112D A CA 374112DA CA 374112 A CA374112 A CA 374112A
Authority
CA
Canada
Prior art keywords
mining method
mining
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
CA374112A
Other languages
French (fr)
Inventor
M. Cadwallader Edgar
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.)
MINERAL CUTTING MACHINE Co
Original Assignee
MINERAL CUTTING MACHINE Co
Publication date
Application granted granted Critical
Publication of CA374112A publication Critical patent/CA374112A/en
Expired legal-status Critical Current

Links

CA374112A Mining method and apparatus Expired CA374112A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA374112T

Publications (1)

Publication Number Publication Date
CA374112A true CA374112A (en) 1938-05-31

Family

ID=35378436

Family Applications (1)

Application Number Title Priority Date Filing Date
CA374112A Expired CA374112A (en) Mining method and apparatus

Country Status (1)

Country Link
CA (1) CA374112A (en)

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