GB/T 45171-2024 English PDF (GB/T45171-2024) GB/T 28807.3-2025 11-2025_Chinese: Plastics piping systems for

11-2025_Chinese: Plastics piping systems for renovation of underground water supply networks - Part 11: Lining with inserted hoses (Chinese: 地下供水管网非开挖修复用塑料管道系统 第11部分：软管穿插内衬法)

GB/T 25025-2025_Chinese: Technical requirements for glass-lined equipment (Chinese: 搪玻璃设备技术条件)

GB/T 13511

measuring or monitoring of protective measures - Part 11: Effectiveness of residual current monitors(RCM)in TT

GB/T 45171-2024 English PDF (GB/T45171-2024) GB/T 28807.3-2025 11-2025_Chinese: Plastics piping systems forGB T 45171 2024_Chinese: Determination of microwave heating temperature of plastics materials and articles at the plastics food interface (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45171 2024