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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)
14-2025_Chinese: Safety of transformers
GB/T 15622-2023_Chinese: Hydraulic cylinder - Test method (Chinese: 液压缸 试验方法)
1-2025_Chinese: Quality requirements for organic acids - Part 1: Citric acid (Chinese: 有机酸质量要求 第1部分：柠檬酸)
English versions: GB/T 44988-2024
GB/T 28589-2024 Chinese PDF (GB/T28589-2024) GB/T 45265-2025 2-2023_Chinese: Buried polyethylene(PE) piping systemsGB T 28589 2024_Chinese: Geographic information Positioning services (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28589 2024
