Roof construction
United States Patent 1633641

Inventors:
Kasch, Frederick C.
Publication Date:
06/28/1927
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Assignee:
Kasch, Frederick C.
Primary Class:
52/489.100
Other Classes:
52/478, 52/553, 52/550, 52/278
International Classes:
E04B7/20; E04D13/16; E04B7/00