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High efficiency air filters ЕРА, HEPA and ULPA. Part 1. Classification, performance testing, marking

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Textiles. Tests for colour fastness. Part E04. Colour fastness to perspiration

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H.S.S. tipped broad-nosed finishing tools. Design and dimensions

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Tractors for agricultural and forestry. Safety. Part 1. Standard tractors

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Fruits, vegetables and derived products. Determination of nitrate content by potentiometric method

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Construction works and typical technological processes. Protection of metal structures from corrosion in the conditions of a construction site. Rules and control of work performance

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