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'aromatic'
China GB Standards List

 GB/T 41418-2022  
Quantitative chemical analysis of textiles mixtures of meta aromatic polyamide fibers and para aromatic polyamide fibers (lithium chloride / N, N-Dimethylacetamide method)

纺织品 定量化学分析 间位芳香族聚酰胺纤维与对位芳香族聚酰胺纤维的混合物(氯化锂/N,N-二甲基乙酰胺法)
 GB/T 12009.4-2016  
(Plastics - aromatic isocyanates for the production of polyurethane - Part 4: Determination of isocyanate content - amendment No. 1)

塑料 聚氨酯生产用芳香族异氰酸酯 第4部分:异氰酸根含量的测定《第1号修改单》

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