CA257827A - Coal mining machine - Google Patents

Coal mining machine

Info

Publication number
CA257827A
CA257827A CA257827A CA257827DA CA257827A CA 257827 A CA257827 A CA 257827A CA 257827 A CA257827 A CA 257827A CA 257827D A CA257827D A CA 257827DA CA 257827 A CA257827 A CA 257827A
Authority
CA
Canada
Prior art keywords
coal mining
mining machine
coal
machine
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
CA257827A
Other languages
French (fr)
Inventor
D. Levin Nils
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.)
Jeffrey Manufacturing Co
Original Assignee
Jeffrey Manufacturing Co
Publication date
Application granted granted Critical
Publication of CA257827A publication Critical patent/CA257827A/en
Expired legal-status Critical Current

Links

CA257827A Coal mining machine Expired CA257827A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA257827T

Publications (1)

Publication Number Publication Date
CA257827A true CA257827A (en) 1926-02-02

Family

ID=35166375

Family Applications (1)

Application Number Title Priority Date Filing Date
CA257827A Expired CA257827A (en) Coal mining machine

Country Status (1)

Country Link
CA (1) CA257827A (en)

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