GB/T 24671-2023 Chinese PDF (GB/T24671-2023) GB/T 29349-2023 GB/T 45678-2025_Chinese: General requirements for

GB/T 45678-2025_Chinese: General requirements for civil tethered unmanned aircraft system (Chinese: 民用系留无人机系统通用要求)

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 36893-2024_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for air cleaner (Chinese: 空气净化器能效限定值及能效等级)

GB/T 20936

grinding and finishing equipment for casting cleaning - Safety technical specifications (Chinese: 铸造机械 铸件清理用切割、磨削和精整设备 安全技术规范)

GB/T 24671-2023 Chinese PDF (GB/T24671-2023) GB/T 29349-2023 GB/T 45678-2025_Chinese: General requirements forGB T 24671 2023_Chinese: Agricultural irrigation equipment Graphical symbols for pressurized irrigation systems (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 24671 2023