DIN EN ISO 12543-1 E:2020 文件草案 建筑玻璃 夹层玻璃和夹层安全玻璃 第1部分:零部件的定义和描述 (ISO/DIS 12543-1:2020) 德文版和英文版 prEN ISO 12543-1:2020
Draft Document - Glass in building - Laminated glass and laminated safety glass - Part 1: Definitions and description of component parts (ISO/DIS 12543-1:2020); German and English version prEN ISO 12543-1:2020