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G05F—SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
G05F1/00—Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
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FR17432D1912-02-091913-02-05Moyens applicables pour la constitution d'appareils de régulation électrique
ExpiredFR17432E
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