
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)

专家解读视频
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)
专家解读视频