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G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
G05B19/00—Program-control systems
G05B19/02—Program-control systems electric
G05B19/04—Program control other than numerical control, i.e. in sequence controllers or logic controllers
G05B19/07—Program control other than numerical control, i.e. in sequence controllers or logic controllers where the program is defined in the fixed connection of electrical elements, e.g. potentiometers, counters or transistors
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Automation & Control Theory
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Relay Circuits
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CH352001D1955-11-151956-11-15Einrichtung zur Verwandlung einer elektrischen Impulsserie in mehrere verschiedene Impulsserien niedrigerer Frequenz
CH352001A
(de)
Einrichtung zur Regelung von Leistungsverteilung, Leistungsfluessen und Frequenz (Drehzahl) in ein- oder mehrphasigen Wechselstromnetzen oder -netzverbaenden mit Hilfe verschiedener Steuerfrequenzen