执行标准:
GB 18242-2008 《弹性体改性沥青防水卷材》
GB 55030-2022 《建筑与市政防水通用规范》
Executive standard
GB 18242-2008 Styrene butadiene styrene (SBS) modified bituminous sheet materials
GB 55030-2022 General code for waterproofing of building and municipal engineering