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Medical electrical equipment. Part 2-28. Particular requirements for the basic safety and essential performance of X-ray tube assemblies for medical diagnosis
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Fuel cell technologies. Part 2. Fuel cell modules. Safety
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Leather. Chemical tests. Method for determination of tan content in synthetic tanning agents
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Silicon is a semiconductor. Method of measuring the concentration of impurities
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Moulding and core sand mixtures. Method for determination of friability
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