Title:
Acoustic panelling
United States Patent 2926742


Inventors:
Jean, Fischer
Application Number:
US55972256A
Publication Date:
03/01/1960
Filing Date:
01/17/1956
Assignee:
Jean, Fischer
Primary Class:
Other Classes:
52/489.1, 52/522, D25/119
International Classes:
E04B9/00; E04B9/36; E04F13/08
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