
Metal beads and feature profiles for use with gypsum plasterboards - Definitions, requirements and test methods
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Metal beads and feature profiles for use with gypsum plasterboards - Definitions, requirements and test methods
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频