Air purifier
United States Patent 2145049
Inventors:
Friedrich, Heuberger Josef
Publication Date:
01/24/1939
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Export Citation:
Assignee:
ELECTROLUX CORP
Primary Class:
Other Classes:
55/517, 55/503, 55/486, 55/485, 15/DIG.008
International Classes:
A47C1/033; A47L7/04; A47C1/031; A47L7/00