Air purification device
United States Patent 2593869

Inventors:
Frederick, Fruth Hal
Publication Date:
04/22/1952
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Assignee:
Frederick, Fruth Hal
Primary Class:
Other Classes:
96/96
International Classes:
B03C3/41; B03C3/40
US Patent References:
1409901Method and apparatus for electrical precipitation oe-suspended particles from gases
2231330Electrode structure
Foreign References:
GB338796A
FR816463A
DE425273C
DE442644C
DE507914C