CA481236A - Methode et machine pour l'exploitation de la houille - Google Patents

Methode et machine pour l'exploitation de la houille

Info

Publication number
CA481236A
CA481236A CA481236A CA481236DA CA481236A CA 481236 A CA481236 A CA 481236A CA 481236 A CA481236 A CA 481236A CA 481236D A CA481236D A CA 481236DA CA 481236 A CA481236 A CA 481236A
Authority
CA
Canada
Prior art keywords
machine
mining coal
mining
coal
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
CA481236A
Other languages
English (en)
Inventor
Shearer Galloway William
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.)
Mavor and Coulson Ltd
Original Assignee
Mavor and Coulson Ltd
Publication date
Application granted granted Critical
Publication of CA481236A publication Critical patent/CA481236A/fr
Expired legal-status Critical Current

Links

CA481236A Methode et machine pour l'exploitation de la houille Expired CA481236A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA481236T

Publications (1)

Publication Number Publication Date
CA481236A true CA481236A (fr) 1952-02-19

Family

ID=35620923

Family Applications (1)

Application Number Title Priority Date Filing Date
CA481236A Expired CA481236A (fr) Methode et machine pour l'exploitation de la houille

Country Status (1)

Country Link
CA (1) CA481236A (fr)

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