Process for hardening waterproofing artificial gut produced from animal fibrous material
United States Patent 2103138

Inventors:
Walter, Becker Oskar
Emil, Weiss
Publication Date:
12/21/1937
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Assignee:
Naturin G. M. B. H.
Primary Class:
264/561
Other Classes:
106/156.200, 264/209.100, 264/563, 8/94.150, 106/156.100, 8/127.600, 8/94.110
International Classes:
A22C13/00; B24D3/08; D01C3/00; B24D3/04