GB/T 18814-2024 Chinese PDF (GB/T18814-2024) GB/T 45561.1-2025 English versions: GB/T 18262-2024

English versions: GB/T 18262-2024

English versions: GB/T 15314-2024

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 44991-2025_Chinese: Railway applications - Testing of rolling stock on completion of construction and before entry into service (Chinese: 轨道交通 机车车辆制成后投入使用前的试验方法)

GB/T 3029-2025_Chinese: Technical specification for ships'ventilation accessories (Chinese: 船用通风附件技术条件)

GB/T 18814-2024 Chinese PDF (GB/T18814-2024) GB/T 45561.1-2025 English versions: GB/T 18262-2024GB T 18814 2024_Chinese: Small craft Electrical systems Alternating and direct current installations (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18814 2024