Unified system of corrosion and ageing protection. Interoperational anticorrosive protection of billets, parts and assemblies of metal products. General requirements
State system for ensuring the uniformity of measurements. Certified reference materials of gas mixtures with halocarbons. Procedure of determining the metrological characteristics
Safety requirements for electrical equipment for measurement, control and laboratory use. Particular requirements for hand-held current clamps for electrical measurement and test
