Pressure sealing membrane
United States Patent 2364875

Inventors:
Gustave, Schieman
Publication Date:
12/12/1944
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Assignee:
INTERNAT PLASTIC CORP
Primary Class:
428/352
Other Classes:
524/168, 524/238, 525/206, 524/166, 524/394, 106/152.100, 524/301, 174/117F
International Classes:
C09J7/02