GOST 16758-71

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 4. Resistance of earth connection and equipotential bonding

Pain and lacquer materials. Method of determination impact resistance

Railway applications. Welding of railway vehicles and components. Part 2. Quality requirements and certification of welding manufacturer

Soils. Laboratory testing. General requirements

State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of electrical power and energy in the frequency range from 1 to 2500 Hz

Resources saving. Industrial production. Guidance on the identification of the aspects of energy efficiency