GB/T 18802.331-2024 Chinese PDF (GB/T18802.331-2024) GB/T 29479.1-2025 GB/T 16439-2024_Chinese: General specification for

GB/T 16439-2024_Chinese: General specification for AC servo system (Chinese: 交流伺服系统通用技术规范)

4-2023_Chinese: Agricultural irrigation equipment - Filters for micro irrigation - Part 4: Granulated media filters (Chinese: 农业灌溉设备 微灌用过滤器 第4部分：颗粒介质过滤器)

English versions: GB/T 14910-2023

GB/T 19502-2023_Chinese: Surface chemical analysis - General rules for glow discharge optical emission spectrometry(GD-OES) (Chinese: 表面化学分析 辉光放电发射光谱方法通则)

2-2024_Chinese: Non-destructive testing - Magnetic particle testing - Part 2: Detection media (Chinese: 无损检测 磁粉检测 第2部分：检测介质)

GB/T 18802.331-2024 Chinese PDF (GB/T18802.331-2024) GB/T 29479.1-2025 GB/T 16439-2024_Chinese: General specification forGB T 18802. 331 2024_Chinese: Components for low voltage surge protection Part 331: Performance requirements and test methods for metal oxide varistors (MOV) (Chinese: 331MOV) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18802. 331 2024