GB/T 21461.1-2023 Chinese PDF (GB/T21461.1-2023) GB/T 45279.3-2025 GB 12664-2024_Chinese: General technical requirements

GB 12664-2024_Chinese: General technical requirements for portable X-ray security inspection equipment (Chinese: 便携式X射线安全检查设备技术规范)

GB/T 45324-2025_Chinese: Determination of powder resistivity for cathode materials of lithium ion battery (Chinese: 锂离子电池正极材料粉末电阻率的测定)

3-2025_Chinese: Norm of water intake for industry in the Yellow River basin - Part 3: Coal to olefin (Chinese: 黄河流域工业用水定额 第3部分：煤制烯烃)

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English versions: GB 23826-2025

GB/T 21461.1-2023 Chinese PDF (GB/T21461.1-2023) GB/T 45279.3-2025 GB 12664-2024_Chinese: General technical requirementsGB T 21461. 1 2023_Chinese: Plastics Ultra high molecular weight polyethylene (PE UHMW) moulding and extrusion materials Part 1: Designation system and basis for specifications (Chinese: PE UHMW 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21461. 1 2023