GB/T 23457-2017 《預(yù)鋪防水卷材》P類指標(biāo)要求
GB 55030-2022 《建筑與市政防水通用規(guī)范》
Executive standard
GB/T 23457-2017 Pre-applied waterproofing sheets, specifications of type PY
GB 55030-2022 General code for waterproofing of building and municipal engineering