
TEXTILES - QUANTITATIVE CHEMICAL ANALYSIS - PART 18: MIXTURES OF SILK AND WOOL OR HAIR (METHOD USING SULFURIC ACID)
出版:Comite Europeen de Normalisation

专家解读视频
TEXTILES - QUANTITATIVE CHEMICAL ANALYSIS - PART 18: MIXTURES OF SILK AND WOOL OR HAIR (METHOD USING SULFURIC ACID)
出版:Comite Europeen de Normalisation
专家解读视频