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CA396336A - Roofing material manufacture - Google Patents

Roofing material manufacture

Info

Publication number
CA396336A
CA396336A CA396336A CA396336DA CA396336A CA 396336 A CA396336 A CA 396336A CA 396336 A CA396336 A CA 396336A CA 396336D A CA396336D A CA 396336DA CA 396336 A CA396336 A CA 396336A
Authority
CA
Canada
Prior art keywords
roofing material
material manufacture
manufacture
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
CA396336A
Other languages
French (fr)
Inventor
B. Burns Frank
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.)
Canadian Gypsum Co Ltd
Original Assignee
Canadian Gypsum Co Ltd
Publication date
Application granted granted Critical
Publication of CA396336A publication Critical patent/CA396336A/en
Expired legal-status Critical Current

Links

CA396336A Roofing material manufacture Expired CA396336A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA396336T

Publications (1)

Publication Number Publication Date
CA396336A true CA396336A (en) 1941-05-06

Family

ID=35403771

Family Applications (1)

Application Number Title Priority Date Filing Date
CA396336A Expired CA396336A (en) Roofing material manufacture

Country Status (1)

Country Link
CA (1) CA396336A (en)

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