State system for ensuring the uniformity of measurements. Measuring instruments of heat energy hot-water heating systems. Metrological assurance. Main principles
Household and similar electrical appliances. Test code for noise. Part 2-14. Particular requirements for refrigerators, frozen-food storage cabinets and food freezers
Determination of regulated substances in electrotechnical products. Part 7-2. Hexavalent chromium. Determination of hexavalent chromium Cr(VI) in polymers and electronics by the colorimetric method
