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3888075
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Information
Patent Grant
3888075
References
Source
Patent Number
3,888,075
Date Filed
Not available
Date Issued
Tuesday, June 10, 1975
49 years ago
CPC
G04G9/10 - by controlling light sources
G04C23/12 - Electric circuitry
G04G19/00 - Electric power supply circuits specially adapted for use in electronic time-pieces
US Classifications
368 - Horology: time measuring systems or devices
455 - Telecommunications
968 - Horology
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