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2421130
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Information
Patent Grant
2421130
References
Source
Patent Number
2,421,130
Date Filed
Not available
Date Issued
Tuesday, May 27, 1947
77 years ago
CPC
G09F23/16 - on clocks
G04F3/06 - with electric driving mechanisms
US Classifications
368 - Horology: time measuring systems or devices
116 - Signals and indicators
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