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Nondestructive testing. Reference measures for calibration of thickness gauges of inorganic coverings. General
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Crushed carbon materials for carburizing in metallurgical production. Specifications
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Optics and photonics. Lenses for optical electronic systems. Methods for measuring the diameter of the entrance pupil and determining the relative aperture
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Safety in electroheat installations. Part 10. Particular requirements for electrical resistance trace heating systems for industrial and commercial applications
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Uniform provisions concerning the approval of compression ignition engines to be installed in agricultural and forestry tractors and in non-road mobile machinery in regard to the emission of pollutants by the engines
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