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Leather. Methods of determination of certain azo colorants in dyed leathers. Part 1. Determination of certain aromatic amines derived from azo colorants
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Unified system of corrosion and ageing protection. Non-metallic materials and articles with their application. Method of microbiological resistance tests under natural and atmospheric conditions
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Testing, training fire and rescue purposes polygons. Classification. General technical requirements
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Ferrochrome. Method for the determination of nitrogen content
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System engineering. Protection of information in system implementation process
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