GB/T 17273-2023 Chinese PDF (GB/T17273-2023) GBZ27032-2025 GB/T 17925-2024_Chinese: Practice for X-ray

GB/T 17925-2024_Chinese: Practice for X-ray digital radioscopic examination of cylinder weld (Chinese: 气瓶对接焊缝X射线数字成像检测)

GB/T 44931-2024_Chinese: Nanotechnologies - Generation of metal nanoparticles for inhalation toxicity testing - Evaporation-condensation method (Chinese: 纳米技术 吸入毒性研究中金属纳米颗粒制备 蒸发-冷凝法)

GB/T 45635-2025_Chinese: Specifications for the control of biosafety risks in the operation and use of entry-exit special products (Chinese: 进出境特殊物品经营和使用生物安全风险控制规范)

electromagnetic field immunity test (Chinese: 电磁兼容 试验和测量技术 第3部分：射频电磁场辐射抗扰度试验)

3-2025_Chinese: Plastics - Thermomechanical analysis(TMA) - Part 3: Determination of penetration temperature (Chinese: 塑料 热机械分析法（TMA） 第3部分：针入温度的测定)

GB/T 17273-2023 Chinese PDF (GB/T17273-2023) GBZ27032-2025 GB/T 17925-2024_Chinese: Practice for X-rayGB T 17273 2023_Chinese: Freight containers Equipment data exchange General communication codes (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 17273 2023