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Electric light sources for road vehicles. Perfomance requirements and test methods

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Coal-pitch. Dielectric method for the determination of mass fraction of substances insoluble in quinoline

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Subscriber loudspeakers. General specifications

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Jig bushes. Technical requirements

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Polymer materials for protection and sealing of semiconductor devices. Method for determining internal mechanical stresses

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Spheroidal graphite iron for castings. Grades

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