CA199459A - Extraction d'huile du goudron - Google Patents

Extraction d'huile du goudron

Info

Publication number
CA199459A
CA199459A CA199459A CA199459DA CA199459A CA 199459 A CA199459 A CA 199459A CA 199459 A CA199459 A CA 199459A CA 199459D A CA199459D A CA 199459DA CA 199459 A CA199459 A CA 199459A
Authority
CA
Canada
Prior art keywords
coal tar
oil extraction
extraction
oil
tar
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
CA199459A
Other languages
English (en)
Inventor
Henry Comber Herbert
Wright Stalker James
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 CA199459A publication Critical patent/CA199459A/fr
Expired legal-status Critical Current

Links

CA199459A Extraction d'huile du goudron Expired CA199459A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA199459T

Publications (1)

Publication Number Publication Date
CA199459A true CA199459A (fr) 1920-04-27

Family

ID=35073896

Family Applications (1)

Application Number Title Priority Date Filing Date
CA199459A Expired CA199459A (fr) Extraction d'huile du goudron

Country Status (1)

Country Link
CA (1) CA199459A (fr)

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