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Safety of household and similar electrical appliances. Part 2-51. Particular requirements for stationary circulation pumps for heating and service water installations
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Power quality measurement in power supply systems. Part 2. Functional tests and uncertainty requirements
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Materials and articles in contact with foodstuffs. Cutlery and table hollowware. Part 2. Stainless steel and silver-plated cutlery. Specifications
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State system for ensuring the uniformity of measurements. Medical diagnostic ultrasonic equipment. Portable foetal heartbeat detectors. General requirements for the declaration of parameters and measurement methods
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