Method of making filter fabric
United States Patent 2152901

Inventors:
Manning, Fred W.
Publication Date:
04/04/1939
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Assignee:
F W MANNING COMPANY LTD
Primary Class:
156/62.400
Other Classes:
264/112, 210/507, 241/154, 210/505, 264/DIG.075, 425/82.100, 264/115, 19/307
International Classes:
D04H13/00