CA320390A - Traitement de la houille - Google Patents

Traitement de la houille

Info

Publication number
CA320390A
CA320390A CA320390A CA320390DA CA320390A CA 320390 A CA320390 A CA 320390A CA 320390 A CA320390 A CA 320390A CA 320390D A CA320390D A CA 320390DA CA 320390 A CA320390 A CA 320390A
Authority
CA
Canada
Prior art keywords
treating coal
coal
treating
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
CA320390A
Other languages
English (en)
Inventor
James Rose Harold
Herman Hill 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.)
Koppers Co of Delaware
Original Assignee
Koppers Co of Delaware
Publication date
Application granted granted Critical
Publication of CA320390A publication Critical patent/CA320390A/fr
Expired legal-status Critical Current

Links

CA320390A Traitement de la houille Expired CA320390A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA320390T

Publications (1)

Publication Number Publication Date
CA320390A true CA320390A (fr) 1932-03-08

Family

ID=35280944

Family Applications (1)

Application Number Title Priority Date Filing Date
CA320390A Expired CA320390A (fr) Traitement de la houille

Country Status (1)

Country Link
CA (1) CA320390A (fr)

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