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3457453
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Information
Patent Grant
3457453
References
Source
Patent Number
3,457,453
Date Filed
Not available
Date Issued
Tuesday, July 22, 1969
54 years ago
CPC
H05B39/105 - with a spare lamp in the circuit, and a possibility of shunting a failed lamp
H03K17/6271 - with several outputs only and without selecting means
Y10T307/469 - Condition responsive
US Classifications
315 - Electric lamp and discharge devices: systems
307 - Electrical transmission or interconnection systems
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