Title:
Volume control
United States Patent 2291246
Inventors:
Jesse, Marsten
Publication Date:
07/28/1942
Export Citation:
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Assignee:
INT RESISTANCE CO
Primary Class:
338/168
Other Classes:
338/171, 338/172, 338/309, 338/325
International Classes:
H01C10/32; H01C10/00
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