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State system for ensuring the uniformity of measurements. Certified reference materials of gas mixtures with Nitrogen oxide, Nitrogen dioxide, Hydrogen sulfide, Sulfur dioxide, Ammonia. Procedure of determining the metrological characteristics
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Roofing profiled metal sheets (metal tile). General specifications
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Animal and vegrtable fats and oils. Determination of benzo(a)pyrene. Reverse-phase high performance liquid chromatography method
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Basic norms of interchangeability. ISO general purpose metric screw threads. Tolerances. Limits of sizes for internal screw threads to mate with hot-dip galvanized external screw threads with maximum size of tolerance position h before galvanizing
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Automatic emission and discharge control systems. Requirements to technical assignments
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