
LEATHER - CHEMICAL TESTS - DETERMINATION OF WATER-SOLUBLE MATTER, WATER-SOLUBLE INORGANIC MATTER AND WATER-SOLUBLE ORGANIC MATTER
出版:Comite Europeen de Normalisation

專家解讀視頻
LEATHER - CHEMICAL TESTS - DETERMINATION OF WATER-SOLUBLE MATTER, WATER-SOLUBLE INORGANIC MATTER AND WATER-SOLUBLE ORGANIC MATTER
出版:Comite Europeen de Normalisation
專家解讀視頻