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Application filed by Busch Jaeger Duerener MetallfiledCriticalBusch Jaeger Duerener Metall
Publication of CH336772ApublicationCriticalpatent/CH336772A/de
G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
G04C23/14—Mechanisms continuously running to relate the operation(s) to the time of day
G04C23/16—Mechanisms continuously running to relate the operation(s) to the time of day acting only at one preselected time or during one adjustable time interval