Liquid treatment device
United States Patent 2643771
US Patent References:
/0386515.html
- - 0386515

/0796910.html
- - 0796910

/1099212.html
- - 1099212

Water purifier
- - 2087136


Inventors:
Eric, Pick
Publication Date:
06/30/1953
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Assignee:
PERMUTIT CO
Primary Class:
210/419
Other Classes:
210/486
International Classes:
C02F1/00
Foreign References:
FR479062A