GOST 21878-76

Dusts of non-ferrous metallurgy enterprises. Methods of copper mass content measuring

United power system and isolated power systems. Operational dispatch management. Checking the compliance of the nominal tripping current of circuit breakers at voltage 110 kV and above with the calculated levels of short-circuit currents. Norms and requirements

Interface systems for radioelectronics means. Interface L. General requirements

Polished millet groats. Specifications

Measurement of smoke density of cables burning under defined conditions. Part 2. Test procedure and requirements

State system for ensuring the uniformity of measurements. State verification schedule for liquid level measuring means