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3701900
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Information
Patent Grant
3701900
References
Source
Patent Number
3,701,900
Date Filed
Not available
Date Issued
Tuesday, October 31, 1972
51 years ago
CPC
H01J65/06 - Lamps in which a gas filling is excited to luminesce by radioactive material structurally associated with the lamp
G04B19/30 - Illumination of dials or hands
US Classifications
250 - Radiant energy
362 - Illumination
968 - Horology
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