CA317443A - Traitement du charbon - Google Patents

Traitement du charbon

Info

Publication number
CA317443A
CA317443A CA317443A CA317443DA CA317443A CA 317443 A CA317443 A CA 317443A CA 317443 A CA317443 A CA 317443A CA 317443D A CA317443D A CA 317443DA CA 317443 A CA317443 A CA 317443A
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
CA317443A
Other languages
English (en)
Inventor
Stoddard Cole Sanford
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 CA317443A publication Critical patent/CA317443A/fr
Expired legal-status Critical Current

Links

CA317443A Traitement du charbon Expired CA317443A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA317443T

Publications (1)

Publication Number Publication Date
CA317443A true CA317443A (fr) 1931-11-24

Family

ID=35277998

Family Applications (1)

Application Number Title Priority Date Filing Date
CA317443A Expired CA317443A (fr) Traitement du charbon

Country Status (1)

Country Link
CA (1) CA317443A (fr)

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