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Application filed by August Bruun OttofiledCriticalAugust Bruun Otto
Publication of CH39520ApublicationCriticalpatent/CH39520A/en
G04F1/00—Apparatus which can be set and started to measure-off predetermined or adjustably-fixed time intervals without driving mechanisms, e.g. egg timers
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Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
CH39520A1907-03-271907-03-27
Electric time remote switch
CH39520A
(en)