GB/T 22309-2023 Chinese PDF (GB/T22309-2023) GB/T 21461.1-2023 English versions: GB/T 27917

English versions: GB/T 27917

GB/T 19652-2023_Chinese: Discharge lamps (excluding fluorescent lamps) - Safety specifications (Chinese: 放电灯（荧光灯除外） 安全规范)

GB/T 45589-2025_Chinese: Detection and identification of Tobamovirus fructirugosum (Chinese: 番茄褐色皱果病毒检疫鉴定方法)

GB/T 45435-2025_Chinese: Technical requirements and test methods of BeiDou airborneequipment for aviation supplemental navigation (Chinese: 航空辅助导航北斗机载设备技术要求和测试方法)

1-2024_Chinese: Technical specification for OPC unified architecture and 5G integration - Part 1: General requirements (Chinese: OPC统一架构与5G集成技术规范 第1部分：通用要求)

GB/T 22309-2023 Chinese PDF (GB/T22309-2023) GB/T 21461.1-2023 English versions: GB/T 27917GB T 22309 2023_Chinese: Road vehicles Brake linings Shear test method for disc brake pad and drum brake shoe assemblies (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22309 2023