Title:
Tumbling device
United States Patent 2370990
Inventors:
Nissen, George P.
Publication Date:
03/06/1945
Export Citation:
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Assignee:
Nissen, George P.
Primary Class:
482/28
Other Classes:
5/111, 182/139, D21/797
International Classes:
A63B5/11; A63B5/00
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