State system for ensuring the uniformity of measurements. Pressure gauges, vacuum pressure gauges, vacuum manometers, draught gauges, delivery head meters and draught head gauges with unified electric (current) output signals. Methods and means of verification
Carbonaceous materials for the production of aluminium. Cathode block materials. Part 2. Determination of the expansion due to sodium penetration without application of pressure
Medical electrical equipment. Part 2-44. Particular requirements for the basic safety and essential performance of X-ray equipment for computed tomography
