CA87913A - Fabrication de goudron - Google Patents

Fabrication de goudron

Info

Publication number
CA87913A
CA87913A CA000087913A CA87913DA CA87913A CA 87913 A CA87913 A CA 87913A CA 000087913 A CA000087913 A CA 000087913A CA 87913D A CA87913D A CA 87913DA CA 87913 A CA87913 A CA 87913A
Authority
CA
Canada
Prior art keywords
pitch
manufacture
tar oils
light tar
light
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
CA000087913A
Other languages
English (en)
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 filed Critical
Application granted granted Critical
Publication of CA87913A publication Critical patent/CA87913A/fr
Expired legal-status Critical Current

Links

CA000087913A 1904-03-02 1904-03-02 Fabrication de goudron Expired CA87913A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA87913T 1904-03-02

Publications (1)

Publication Number Publication Date
CA87913A true CA87913A (fr) 1904-06-21

Family

ID=45204448

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000087913A Expired CA87913A (fr) 1904-03-02 1904-03-02 Fabrication de goudron

Country Status (1)

Country Link
CA (1) CA87913A (fr)

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