CA10569A - Machine a miner le charbon - Google Patents

Machine a miner le charbon

Info

Publication number
CA10569A
CA10569A CA000010569A CA10569DA CA10569A CA 10569 A CA10569 A CA 10569A CA 000010569 A CA000010569 A CA 000010569A CA 10569D A CA10569D A CA 10569DA CA 10569 A CA10569 A CA 10569A
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
CA000010569A
Other languages
English (en)
Inventor
Joseph A. Jeffrey
Francis M. Lechner
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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA10569A publication Critical patent/CA10569A/fr
Expired legal-status Critical Current

Links

CA000010569A Machine a miner le charbon Expired CA10569A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA10569T

Publications (1)

Publication Number Publication Date
CA10569A true CA10569A (fr) 1879-10-20

Family

ID=45127116

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000010569A Expired CA10569A (fr) Machine a miner le charbon

Country Status (1)

Country Link
CA (1) CA10569A (fr)

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