GOST 18917-82

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

Returnable polymeric boxes. General specifications

Malleable iron castings. General specifications

Large seamless steel gas cylinders for operating pressure of 31,4 and 39,2 MPa (320 and 400 kgf/cm.sq.). Specifications

High frequency magnet malleable materials. Testing methods at the range from 1 to 200 mc

Loss meters of cable line. Types and basic parameters