Process for filtering with polytetrafluoroethylene fibers
United States Patent 2933154

Inventors:
George, Lauterbach Herbert
Publication Date:
04/19/1960
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Assignee:
Pont DU.
Primary Class:
Other Classes:
55/528, 55/486, 34/82, 55/524
International Classes:
B01D39/08; B01D46/00