GB/T 41418-2022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)标准
英文:Textiles—Quantitative chemical analysis—Mixtures of meta-aramid and para-aramid fibres(method using dimethylacetamide...
英文:Textiles—Quantitative chemical analysis—Mixtures of meta-aramid and para-aramid fibres(method using dimethylacetamide...