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G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
G01R31/14—Circuits therefor, e.g. for generating test voltages, sensing circuits
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FR934010D1946-09-281946-09-28Procédé et dispositif pour l'essai d'installations basse fréquence
ExpiredFR934010A
(fr)