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G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
G05D11/00—Control of flow ratio
G05D11/001—Control of flow ratio with discontinuous action
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Automation & Control Theory
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FR736260D1931-08-131931-08-13Dispositif pour le mesurage et le mélange automatiques de deux liquides quelconques dans des proportions données
ExpiredFR736260A
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