Fibrous material and process of producing it
United States Patent 2011914
Inventors:
Schwartz, George L.
Publication Date:
08/20/1935
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Export Citation:
Assignee:
Pont DU.
Primary Class:
Other Classes:
162/147, 264/DIG.075, 162/148, 162/146, 264/123
International Classes:
D21J1/00