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G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
G01R35/04—Testing or calibrating of apparatus covered by the other groups of this subclass of instruments for measuring time integral of power or current
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FR25829D1921-12-171921-12-17Procédé de réglage des compteurs d'électricité
ExpiredFR25829E
(fr)