GB/T 19212.14-2025 Chinese PDF (GB /T19212.14-2025) GB/T 13594-2025 GB 17918-2025_Chinese: Safety specification for

GB 17918-2025_Chinese: Safety specification for dust explosion protection in bulk grain loading and unloading system in port (Chinese: 港口散粮装卸系统粉尘防爆安全规范)

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

English versions: GB/T 12643-2025

GB/T 20972

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)

GB/T 19212.14-2025 Chinese PDF (GB /T19212.14-2025) GB/T 13594-2025 GB 17918-2025_Chinese: Safety specification forGB 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