Description: 968 horology / 968 horology/(103) mechanisms for stabilizing frequency (magnetic subclass 497; in striking mechanisms subclass 224; stopping and regulating of the running subclass 234; electrical and thermoelectric regulating mechanisms subclass 496) [g04b 17/00] (125) compensation of mechanisms for stabilizing frequency [g04b 17/20] (126) for the effect of variations of temperature (alloys with small expansion coefficient c21c, c22c; adjustment of the regulator dependant on adjustment of the hands subclass 122; depending on the difference in time with a comparison clockwork subclass 509) [g04b 17/22]
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