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360234
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Information
Patent Grant
360234
References
Source
Patent Number
360,234
Date Filed
Not available
Date Issued
Tuesday, March 29, 1887
137 years ago
CPC
G04F7/10 - Means used apart from the time-piece for starting or stopping same
G04D7/12 - Timing devices for clocks or watches for comparing the rate of the oscillating member with a standard
US Classifications
073 - Measuring and testing
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