Washing, desulphurizing, bleaching, finishing, and like treatments of artificial yarns
United States Patent 2131409

Inventors:
Alfredo, Nai
Publication Date:
09/27/1938
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Assignee:
Chatillon, Italiana Fibre
Primary Class:
8/151.200
Other Classes:
28/178, 425/68, 68/181R, 8/158
International Classes:
D01D10/04; D01D10/00