CA502944A - Appareil d'exploitation miniere - Google Patents

Appareil d'exploitation miniere

Info

Publication number
CA502944A
CA502944A CA502944A CA502944DA CA502944A CA 502944 A CA502944 A CA 502944A CA 502944 A CA502944 A CA 502944A CA 502944D A CA502944D A CA 502944DA CA 502944 A CA502944 A CA 502944A
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
CA502944A
Other languages
English (en)
Inventor
H. Vanderzee Harry
P. 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 CA502944A publication Critical patent/CA502944A/fr
Expired legal-status Critical Current

Links

CA502944A Appareil d'exploitation miniere Expired CA502944A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA502944T

Publications (1)

Publication Number Publication Date
CA502944A true CA502944A (fr) 1954-05-25

Family

ID=35648852

Family Applications (1)

Application Number Title Priority Date Filing Date
CA502944A Expired CA502944A (fr) Appareil d'exploitation miniere

Country Status (1)

Country Link
CA (1) CA502944A (fr)

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