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Mineral fertilizers. Method for determination of total mass fraction of nitrogen in compound fertilizers (distillation method using the chromium reduction of nitrate nitrogen and mineralization of organic nitrogen)
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Reinforced concrete slabs for balconies and loggias. General specifications
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Petroleum and natural gas industry. Subsea production systems. Optical fibres. Measurement methods and methods of testing. General and guidance
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Polymer composites. Determination of the glass transition temperature of amorphous and semicrystalline polymers by dynamic mechanical analysis
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Beekeeping products. Method for determination of ash mass fraction
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