CA475512A - Mining apparatus - Google Patents

Mining apparatus

Info

Publication number
CA475512A
CA475512A CA475512A CA475512DA CA475512A CA 475512 A CA475512 A CA 475512A CA 475512 A CA475512 A CA 475512A CA 475512D A CA475512D A CA 475512DA CA 475512 A CA475512 A CA 475512A
Authority
CA
Canada
Prior art keywords
mining apparatus
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
CA475512A
Other languages
French (fr)
Inventor
Herbert Vanderzee Harry
Putnam Baldwin Clyde
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA475512A publication Critical patent/CA475512A/en
Expired legal-status Critical Current

Links

CA475512A Mining apparatus Expired CA475512A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA475512T

Publications (1)

Publication Number Publication Date
CA475512A true CA475512A (en) 1951-07-24

Family

ID=35609498

Family Applications (1)

Application Number Title Priority Date Filing Date
CA475512A Expired CA475512A (en) Mining apparatus

Country Status (1)

Country Link
CA (1) CA475512A (en)

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