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Medical electronics hearing aids. Technical requirements and test methods

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Monolithic (unshaped) refractory products. Determination of consistency of castables

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Feeder methionine. Atomic-absorption method for determination of mercury

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Food additives. Thickeners of foodstuffs. Terms and definitions

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Safety requirements for electrical equipment for measurement, control, and laboratory use. Part 031. Safety requirements for hand-held and hand-manipulated probe assemblies for electrical test and measurement

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Screwed tube connections. Strengthening bushings. Construction and dimensions

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