
TEXTILES - QUANTITATIVE CHEMICAL ANALYSIS - PART 18: MIXTURES OF SILK AND WOOL OR HAIR (METHOD USING SULFURIC ACID)
出版:German Institute for Standardisation (Deutsches Institut f眉r Normung)

專家解讀視頻
TEXTILES - QUANTITATIVE CHEMICAL ANALYSIS - PART 18: MIXTURES OF SILK AND WOOL OR HAIR (METHOD USING SULFURIC ACID)
出版:German Institute for Standardisation (Deutsches Institut f眉r Normung)
專家解讀視頻