State system for ensuring the uniformity of measurements. The state standard and all-union verification schedule for instruments measuring power of electromagnetic oscillations in waveguides within frequency range from 37,5 up to 53,57 GHz
Residual current operated circuit-breakers with integral overcurrent protection for household and similar uses (RCBO's). Part 2-2. Applicability of the general rules to RCBO's functionally dependent of line voltage
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