CA177990A - Appareil a monter et a transporter le charbon - Google Patents

Appareil a monter et a transporter le charbon

Info

Publication number
CA177990A
CA177990A CA000177990A CA177990DA CA177990A CA 177990 A CA177990 A CA 177990A CA 000177990 A CA000177990 A CA 000177990A CA 177990D A CA177990D A CA 177990DA CA 177990 A CA177990 A CA 177990A
Authority
CA
Canada
Prior art keywords
raising
conveying coal
coal
conveying
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
CA000177990A
Other languages
English (en)
Inventor
Francis Lee Stuart
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
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of CA177990A publication Critical patent/CA177990A/fr
Expired legal-status Critical Current

Links

CA000177990A 1917-04-23 1917-04-23 Appareil a monter et a transporter le charbon Expired CA177990A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA177990T 1917-04-23

Publications (1)

Publication Number Publication Date
CA177990A true CA177990A (fr) 1917-07-03

Family

ID=45297643

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000177990A Expired CA177990A (fr) 1917-04-23 1917-04-23 Appareil a monter et a transporter le charbon

Country Status (1)

Country Link
CA (1) CA177990A (fr)

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