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Title:
Suction cleaner
United States Patent 2271553
Inventors:
Smellie, Donald G.
Publication Date:
02/03/1942
View Patent Images:
Download PDF 2271553
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Assignee:
HOOVER CO
Primary Class:
15/182
Other Classes:
15/370, 15/183
International Classes:
A47L5/34
;
A47L5/22