Title:
Diffusion purification apparatus
United States Patent 3245206

Inventors:
Bonnet, Robert E.
Publication Date:
04/12/1966
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Assignee:
ENGELHARD IND INC
Primary Class:
96/10
Other Classes:
55/498
International Classes:
B01D53/22; C01B3/50; C01B13/02; C01B3/00
Foreign References:
FR1213836A