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 40681

English versions: GB/T 45434

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)

222-2023_Chinese: Luminaires - Part 2-22: Particular requirements - Luminaires for emergency lighting (Chinese: 灯具 第2-22部分：特殊要求 应急照明灯具)

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