
LEATHER - CHEMICAL, PHYSICAL AND MECHANICAL AND FASTNESS TEST - SAMPLING LOCATION (ISO 2418:2017)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
LEATHER - CHEMICAL, PHYSICAL AND MECHANICAL AND FASTNESS TEST - SAMPLING LOCATION (ISO 2418:2017)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻