GOST 3956-76

Hubs for magnetic tape with a nominal width of 6,25 mm. Specifications

Steel bent closed welded square and rectangular section for building. Specifications

Thermal plant fly-ashes for lightweight concrete used in the construction of offshore oil and gas field structures. Recommendations for improving operational properties

United power system and isolated power systems. Relay protection and automatic. Automatic control devices of frequency and active power of hydraulic power units of hydraulic and pumped storage power plants. Norms and requirements

Wooden raw materials for manufacturing modified wood. Specifications

Mud pumps. Basic parameters