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2670642
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Patent Grant
2670642
References
Source
Patent Number
2,670,642
Date Filed
Not available
Date Issued
Tuesday, March 2, 1954
70 years ago
CPC
G04D1/06 - Supporting devices for clockworks or parts of time-pieces
G04D7/1278 - whereby the adjustment device works on the compass
US Classifications
081 - Tools
073 - Measuring and testing
968 - Horology
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