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MEASURING DEVICE FOR MEASURING ELECTRIC CONDUCTIVITY OF THE LIQUIDS OF HIGH SPECIFIC RESISTANCE, OF VARIABLE TEMPERATURE IN PARTICULAR OF HIGH-PURITY WATER IN THE PRESENCE OF ELECTRIC BACKGROUND NOISE
MEASURING DEVICE FOR MEASURING ELECTRIC CONDUCTIVITY OF THE LIQUIDS OF HIGH SPECIFIC RESISTANCE, OF VARIABLE TEMPERATURE IN PARTICULAR OF HIGH-PURITY WATER IN THE PRESENCE OF ELECTRIC BACKGROUND NOISE