CA258607A - Machine a miner le charbon - Google Patents

Machine a miner le charbon

Info

Publication number
CA258607A
CA258607A CA258607A CA258607DA CA258607A CA 258607 A CA258607 A CA 258607A CA 258607 A CA258607 A CA 258607A CA 258607D A CA258607D A CA 258607DA CA 258607 A CA258607 A CA 258607A
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
CA258607A
Other languages
English (en)
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 CA258607A publication Critical patent/CA258607A/fr
Expired legal-status Critical Current

Links

CA258607A Machine a miner le charbon Expired CA258607A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA258607T

Publications (1)

Publication Number Publication Date
CA258607A true CA258607A (fr) 1926-03-02

Family

ID=35167155

Family Applications (1)

Application Number Title Priority Date Filing Date
CA258607A Expired CA258607A (fr) Machine a miner le charbon

Country Status (1)

Country Link
CA (1) CA258607A (fr)

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