Title:
Arrangement for periodically changing the intensity of an electric current
United States Patent 3226600
Inventors:
Gotthold, Zielasek
Publication Date:
12/28/1965
Export Citation:
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Assignee:
BOSCH GMBH ROBERT
Primary Class:
315/209R
Other Classes:
338/22R, 338/23, 340/475
International Classes:
B60Q1/38; H05B39/09; B60Q1/34; H05B39/00
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US Patent References:
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2987702Emergency signal lamp
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1915137Thermostatic apparatus