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3810357
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Information
Patent Grant
3810357
References
Source
Patent Number
3,810,357
Date Filed
Not available
Date Issued
Tuesday, May 14, 1974
50 years ago
CPC
G04C23/20 - with contacts operated, or formed by clock hands or elements of similar form
G04C17/0041 - by a combination of different types of indicating devices
US Classifications
368 - Horology: time measuring systems or devices
968 - Horology
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