GB/T 4706.18-2024 Chinese PDF (GB/T4706.18-2024) GB/T 16262.1-2025 2-2023_Chinese: Buried polyethylene(PE) piping systems

2-2023_Chinese: Buried polyethylene(PE) piping systems for the supply of gaseous fuels - Part 2: Pipes (Chinese: 燃气用埋地聚乙烯（PE）管道系统 第2部分：管材)

English versions: GB/T 31015-2024

2-2024_Chinese: Lighting of work places - Part 2: Lighting requirements for safety and security of outdoor work places (Chinese: 工作场所照明 第2部分：室外作业场所的安全保障照明要求)

5-2025_Chinese: Rules for agricultural seed testing - Part 5: Varietal quality - Varietal purity testing (Chinese: 农作物种子检验规程 第5部分：品种质量 品种纯度鉴定)

English versions: GB 14166-2024

GB/T 4706.18-2024 Chinese PDF (GB/T4706.18-2024) GB/T 16262.1-2025 2-2023_Chinese: Buried polyethylene(PE) piping systemsGB T 4706. 18 2024_Chinese: Safety of household and similar electrical appliances Part 18: Particular requirements for battery chargers (Chinese: 18) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4706. 18 2024