Home / Standards / GB 45320-2025 GB 45320-2025 Active Safety and general technical specifications for construction waterproof sheets 建筑防水卷材安全和通用技术规范 Standard Type GB ICS 91.120.30 CCS Q17 Status 现行 Issue Date 2025-03-28 Implementation 2025-10-01 Responsible Dept 工业和信息化部 Drafting Unit N/A