CA221937A - Preparation de carton a l'asphalte pour convertures - Google Patents

Preparation de carton a l'asphalte pour convertures

Info

Publication number
CA221937A
CA221937A CA221937A CA221937DA CA221937A CA 221937 A CA221937 A CA 221937A CA 221937 A CA221937 A CA 221937A CA 221937D A CA221937D A CA 221937DA CA 221937 A CA221937 A CA 221937A
Authority
CA
Canada
Prior art keywords
asphalt roofing
manufacture
roofing manufacture
asphalt
roofing
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
CA221937A
Other languages
English (en)
Inventor
T. Sullivan John
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 CA221937A publication Critical patent/CA221937A/fr
Expired legal-status Critical Current

Links

CA221937A Preparation de carton a l'asphalte pour convertures Expired CA221937A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA221937T

Publications (1)

Publication Number Publication Date
CA221937A true CA221937A (fr) 1922-08-08

Family

ID=35117539

Family Applications (1)

Application Number Title Priority Date Filing Date
CA221937A Expired CA221937A (fr) Preparation de carton a l'asphalte pour convertures

Country Status (1)

Country Link
CA (1) CA221937A (fr)

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