Method of treating filamentous materials
United States Patent 2240388

Inventors:
Calva, Jose B.
Publication Date:
04/29/1941
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Assignee:
George, Benz W.
Primary Class:
8/94.140
Other Classes:
8/94.19C, 8/182, 8/116.400, 8/115.600, 8/127.600, 427/389, 15/159.100
International Classes:
C14C11/00