GOST R 55843-2013

Swimming pools. Water preparation. General requirements

United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Device for unloading automation during short circuits. Short circuit severity fixation device. Norms and requirements

State system for ensuring the uniformity of measurement standards primary state. Creation, statement, contents and using

Reinforced concrete slabs for balconies and loggias. General specifications

Petroleum and natural gas industry. Subsea production systems. Optical fibres. Product properties. General provisions

Blacksmith`s hand and hammer tools. Round punches. Design and dimensions