State system for ensuring the uniformity of measurements. State verification schedule for means measuring the wave resistance, complex reflection and transmission coefficients in coaxial waveguides within the frequency range from 0,01 to 65 GHz
Low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. Electrical safety. Equipment for testing, measuring or monitoring of protective measures. Part 6. Residual current devices in TT and TN systems
€10
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