Protection of animal fibers against the effects of alkaline or acid mediums
United States Patent 1693926

Inventors:
Smith, Horsfall Ronald
Gordon, Lawrie Leslie
Publication Date:
12/04/1928
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Assignee:
BRITISH DYESTUFFS CORP LTD
Primary Class:
8/133
Other Classes:
8/496, 8/917, 8/140, 8/115.600, 8/94.140, 8/139
International Classes:
B01D47/02