FR544040A - Méthodes et appareils pour la tarification rationnelle de l'énergie électrique en courants alternatifs monophasés et polyphasés
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Méthodes et appareils pour la tarification rationnelle de l'énergie électrique en courants alternatifs monophasés et polyphasés
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Compteurs Schlumberger SA
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Compteurs Schlumberger SA
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G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R11/00—Electromechanical arrangements for measuring time integral of electric power or current, e.g. of consumption
G01R11/56—Special tariff meters
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FR544040D1921-11-301921-11-30Méthodes et appareils pour la tarification rationnelle de l'énergie électrique en courants alternatifs monophasés et polyphasés
ExpiredFR544040A
(fr)