
Materials and articles in contact with foodstuffs - Non-metallic articles for catering and industrial use - Method of test for the determination of impact resistance
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
Materials and articles in contact with foodstuffs - Non-metallic articles for catering and industrial use - Method of test for the determination of impact resistance
出版:German Institute for Standardisation (Deutsches Institut für Normung)
專家解讀視頻