
Lightweight Concrete Solid Bricks And Blocks - Part 100: Solid Bricks And Blocks With Specific Properties
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Lightweight Concrete Solid Bricks And Blocks - Part 100: Solid Bricks And Blocks With Specific Properties
出版:German Institute for Standardisation (Deutsches Institut für Normung)
专家解读视频