SHEET MATERIAL OF IMPROVED TEAR STRENGTH INCLUDING LONG UNDRAWN POLYAMIDE FIBERS
United States Patent 3489643

Inventors:
Hoffman, Herbert A.
Publication Date:
01/13/1970
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Assignee:
DEXTER CORP
Primary Class:
162/146
Other Classes:
428/395, 428/364, 428/401, 162/157.300, 428/910
International Classes:
D04H1/42; D21F11/00; D21H5/12




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