Title:
Acoustical roof deck
United States Patent 2007374

Inventors:
William, Kuehne
Publication Date:
07/09/1935
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Assignee:
UNITED STATES GYPSUM CO
Primary Class:
52/145
Other Classes:
52/407.100, 29/513, 29/509, 52/783.110
International Classes:
E04B1/82; E04D13/16; E04B1/84