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1675767
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Information
Patent Grant
1675767
References
Source
Patent Number
1,675,767
Date Filed
Not available
Date Issued
Tuesday, July 3, 1928
96 years ago
CPC
B60Q1/14 - having dimming means
F21S48/1225 - Type of refractor, transparent cover plates or filters
F21S48/1789 - Rotating screens
F21V11/00 - Screens not covered by groups F21V1/00, F21V3/00, F21V7/00 or F21V9/00
F21W2101/02 - for land vehicles
US Classifications
362 - Illumination
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