GB/T 18822.2-2024 Chinese PDF (GB /T18822.2-2024) GB/T 19212.2-2025 GB/T 18978

GB/T 18978

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 24823-2024_Chinese: LED modules for general lighting - Performance specification (Chinese: 普通照明用LED模块 性能规范)

GB 31648-2025_Chinese: National food safety standard - Code for pollution control of dioxins and polychlorinated biphenyls in food (Chinese: 食品安全国家标准 食品中二噁英及多氯联苯污染控制规范)

GB/T 18822.2-2024 Chinese PDF (GB /T18822.2-2024) GB/T 19212.2-2025 GB/T 18978GB T 18822. 2 2024_Chinese: Small craft Determination of maximum propulsion power rating using manoeuvring speed Part 2: Craft with a length of hull between 8 m and 24 m (Chinese: 28m~24m) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18822. 2 2024