Disinfecting and aerating device
United States Patent 1817535

Inventors:
Spanel, Abraham N.
Publication Date:
08/04/1931
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Assignee:
Spanel, Abraham N.
Primary Class:
422/294
Other Classes:
15/257.100, 15/246.300, 206/278.100, 206/.500, 422/297, 422/298, 43/124, 422/305
International Classes:
A47L7/04; A47L7/00