Title:
Apparatus for dry spinning cellulose acetate yarn
United States Patent 2341615

Inventors:
Hoffman, Robert M.
Publication Date:
02/15/1944
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Assignee:
Pont DU.
Primary Class:
425/72.200
Other Classes:
34/630, 34/92, 34/90
International Classes:
D01D5/04; D01D5/00