GB/T 19212.14-2025 Chinese PDF (GB /T19212.14-2025) GB/T 13594-2025 GB/T 22248-2025_Chinese: Determination of glycyrrhizic

GB/T 22248-2025_Chinese: Determination of glycyrrhizic acid in health foods (Chinese: 保健食品中甘草酸的测定)

4-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 4: Class 3 components (Chinese: 压水堆核电厂核岛机械设备设计规范 第4部分：3级设备)

183-2025_Chinese: National food safety standard - Determination of urease in food (Chinese: 食品安全国家标准 食品中脲酶的测定)

GB 23394-2024_Chinese: Respiratory protection - Positive pressure self-contained closed-circuit compressed oxygen breathing apparatus (Chinese: 呼吸防护 正压式自给闭路压缩氧气呼吸器)

English versions: GB/T 12643-2025

GB/T 19212.14-2025 Chinese PDF (GB /T19212.14-2025) GB/T 13594-2025 GB/T 22248-2025_Chinese: Determination of glycyrrhizicGB T 19212. 14 2025_Chinese: Safety of transformers, reactors, power supply units and combinations thereof Part 14: Particular requirements and tests for auto transformers and power supply units incorporating auto transformers for general applications (Chinese: 14) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19212. 14 2025