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3894227
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Information
Patent Grant
3894227
References
Source
Patent Number
3,894,227
Date Filed
Not available
Date Issued
Tuesday, July 8, 1975
49 years ago
CPC
F21S48/145 - Details of the shape of screens, non-reflecting members, light-shielding members or fixed shades
B60Q1/1415 - Dimming circuits
F21S48/10 - Headlamps
F21S48/1145 - Type of light source
F21S48/1172 - having two or more filaments
F21S48/1181 - having a filament being arranged transversally to the optical axis of the headlamp
F21S48/142 - Attachment thereof
US Classifications
362 - Illumination
315 - Electric lamp and discharge devices: systems
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