标准查询 标准查询建筑用玻璃. 基本钠钙硅酸盐玻璃制品. 第1部分: 定义和通用物理与机械性能
Glass in building - Basic alumino silicate glass products - Part 1 : definitions and general physical and mechanical properties
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标准查询Glass in building - Basic alumino silicate glass products - Part 1 : definitions and general physical and mechanical properties
