Rayon spinning pump
United States Patent 2142597

Inventors:
Allen, George M.
Mc-dermott, Henry J.
Publication Date:
01/03/1939
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Assignee:
AMERICAN VISCOSE CORP
Primary Class:
417/429
Other Classes:
425/76, 417/269, 92/129
International Classes:
F04B1/20; F04B9/04; F04B23/06; F04B49/12; F04B9/02; F04B23/00