CA349720A - Noir de charbon - Google Patents

Noir de charbon

Info

Publication number
CA349720A
CA349720A CA349720A CA349720DA CA349720A CA 349720 A CA349720 A CA 349720A CA 349720 A CA349720 A CA 349720A CA 349720D A CA349720D A CA 349720DA CA 349720 A CA349720 A CA 349720A
Authority
CA
Canada
Prior art keywords
carbon black
black
carbon
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
CA349720A
Other languages
English (en)
Inventor
Bryan Wiegand 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.)
Individual
Original Assignee
Individual
Publication date
Application granted granted Critical
Publication of CA349720A publication Critical patent/CA349720A/fr
Expired legal-status Critical Current

Links

CA349720A Noir de charbon Expired CA349720A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA349720T

Publications (1)

Publication Number Publication Date
CA349720A true CA349720A (fr) 1935-04-23

Family

ID=35337684

Family Applications (1)

Application Number Title Priority Date Filing Date
CA349720A Expired CA349720A (fr) Noir de charbon

Country Status (1)

Country Link
CA (1) CA349720A (fr)

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