Methods of hardening and tanning of artificial fibers made of protein
United States Patent 2404665

Inventors:
Rudolf, Signer
Publication Date:
07/23/1946
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Assignee:
Rudolf, Signer
Primary Class:
264/204
Other Classes:
264/232, 264/340, 8/127.600, 264/289.600
International Classes:
D01F4/00