CA311252A - Production de poix - Google Patents

Production de poix

Info

Publication number
CA311252A
CA311252A CA311252A CA311252DA CA311252A CA 311252 A CA311252 A CA 311252A CA 311252 A CA311252 A CA 311252A CA 311252D A CA311252D A CA 311252DA CA 311252 A CA311252 A CA 311252A
Authority
CA
Canada
Prior art keywords
pitch
production
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
CA311252A
Other languages
English (en)
Inventor
Edward Mccloskey Gregory
Britton Wingert 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.)
Barrett Co Inc
Original Assignee
Barrett Co Inc
Publication date
Application granted granted Critical
Publication of CA311252A publication Critical patent/CA311252A/fr
Expired legal-status Critical Current

Links

CA311252A Production de poix Expired CA311252A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA311252T

Publications (1)

Publication Number Publication Date
CA311252A true CA311252A (fr) 1931-05-12

Family

ID=35270577

Family Applications (1)

Application Number Title Priority Date Filing Date
CA311252A Expired CA311252A (fr) Production de poix

Country Status (1)

Country Link
CA (1) CA311252A (fr)

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