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Electric appliances for hair-cutting. General specifications
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Leather. Chemical tests for the determination of certain azo colorants in dyed leathers. Part 2. Method for determination of 4-aminoazobenzene
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Sign-synthesizing indicators. Methods of measurement and determination of parameters characterizing the quality of displayed information and the reliability of its perception
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Urea for industrial use. Determination of nitrogen content. Titrimetric method after distillation
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