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Title:
Roofing material
United States Patent 1881438
Inventors:
Fischer, Albert C.
Publication Date:
10/11/1932
Export Citation:
Click for automatic bibliography generation
Assignee:
CAREY PHILIP MFG CO
Primary Class:
52/420
International Classes:
E04D5/12
;
E04D5/00
View Patent Images:
Download PDF 1881438
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