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2077008
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Patent Grant
2077008
References
Source
Patent Number
2,077,008
Date Filed
Not available
Date Issued
Tuesday, April 13, 1937
87 years ago
CPC
G04D7/1285 - whereby the adjustment device works on the mainspring
US Classifications
073 - Measuring and testing
324 - Electricity: measuring and testing
968 - Horology
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