
BS ISO 1833-20. Textiles. Quantitative chemical analysis. Part 20. Mixtures of elastane and some other fibres [method using dimethylacetamide]
出版:British Standards Institution

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BS ISO 1833-20. Textiles. Quantitative chemical analysis. Part 20. Mixtures of elastane and some other fibres [method using dimethylacetamide]
出版:British Standards Institution
专家解读视频