Hydro power plants. Part 1-6. Hydroelectric power station constructions hydraulic engineering. Requirements on loadings and influences (wave, ice and from courts)
Plugs, socket-outlets and couplers for industrial purposes. Part 3. Particular requirements for plugs, socket-outlets, connectors and appliance inlets for use in explosive gas atmospheres
State system for ensuring the uniformity of measurements. Measurement of energy and the effective characteristics ultraviolet radiation germicidal irradiators. Procedure of measurements
