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3765223
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Patent Grant
3765223
References
Source
Patent Number
3,765,223
Date Filed
Not available
Date Issued
Tuesday, October 16, 1973
50 years ago
CPC
G04D7/004 - Optical measuring and testing apparatus
G04D7/06 - for escapements
US Classifications
073 - Measuring and testing
356 - Optics: measuring and testing
968 - Horology
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