GB/T 7247.1-2024 Chinese PDF (GB/T7247.1-2024) GB/T 18262-2024 English versions: GB/T 45502-2025

English versions: GB/T 45502-2025

5-2024_Chinese: Interface specification for signal in space of BeiDou satellite navigation system - Part 5: Open service signal B2b (Chinese: 北斗卫星导航系统空间信号接口规范 第5部分：公开服务信号B2b)

English versions: GB/T 45517-2025

GB/T 44884-2024_Chinese: Technical requirements for secure user plane location service - Platform (Chinese: 基于用户面的定位业务技术要求 平台)

2-2024_Chinese: Non-destructive testing - Penetrant testing - Part 2: Testing of penetrang materials (Chinese: 无损检测 渗透检测 第2部分：渗透材料的检验)

GB/T 7247.1-2024 Chinese PDF (GB/T7247.1-2024) GB/T 18262-2024 English versions: GB/T 45502-2025GB T 7247. 1 2024_Chinese: Safety of laser products Part 1: Equipment classification and requirements (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7247. 1 2024