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Covering material
United States Patent 2170534
Inventors:
Dawes, Macnutt Arthur
Publication Date:
08/22/1939
View Patent Images:
Download PDF 2170534
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Assignee:
CERTAIN TEED PROD CORP
Primary Class:
52/316
Other Classes:
D25/139
International Classes:
E04D1/26
;
E04D1/00