
Vitreous and porcelain enamels - Release of lead and cadmium from enamelled ware in contact with food Part 2: Permissible limits (ISO 4531-2:1998)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Vitreous and porcelain enamels - Release of lead and cadmium from enamelled ware in contact with food Part 2: Permissible limits (ISO 4531-2:1998)
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻