DIN 18531-1:2024-02 屋頂、陽臺和走道的防水 第1部分：未使用和已使用的屋頂 執行和設計的要求和原則
Waterproofing of roofs, balconies and walkways - Part 1: Non-utilized and utilized roofs - Requirements and principles for execution and design / Note: Date of issue 2024-01-19*Applies in conjunction with DIN 18531-2 (2024-02), DIN 18531-3 (2024-02), D...