GOST 19406-74

United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Local automation devices for preventing stability violations. Norms and requirements

Lubricating oils. Method for determination of phosphorus, sulfur, calcium and zinc by energy dispersive X-ray fluorescence spectroscopy

Plain bearings. Thin-walled flanged half bearings. Dimensions, tolerances and methods of checking

Automatic spacecrafts and onboard support spacecraft systems. General requirements for protection and resistance to electrophysical space factors and static electricity

Petroleum and natural gas industry. Subsea production systems. Pipeline end terminations and inline tees

Check valves. Basic parameters