Vacuum-cleaner device
United States Patent 1633598

Inventors:
Stanley, Mcclatchie
Publication Date:
06/28/1927
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Assignee:
APEX ELECTRICAL MFG CO
Primary Class:
15/415.100
Other Classes:
15/339, 406/35, 15/401, 15/417, 15/328
International Classes:
A47L9/02