GB/T 42151.72-2024 Chinese PDF (GB /T42151.72-2024) GB/T 23595.3-2025 GB 23394-2024_Chinese: Respiratory protection -

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 13000-2025_Chinese: Information technology - Universal coded character set(UCS) (Chinese: 信息技术 通用编码字符集（UCS）)

English versions: GB/T 12540-2024

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: 变压器、电抗器、电源装置及其组合的安全 第14部分：一般用途自耦变压器和内装自耦变压器的电源装置的特殊要求和试验)

1）第1部分：基本记法规范)

GB/T 42151.72-2024 Chinese PDF (GB /T42151.72-2024) GB/T 23595.3-2025 GB 23394-2024_Chinese: Respiratory protection -GB T 42151. 72 2024_Chinese: Communication networks and systems for power utility automation Part 7 2: Basic information and communication structure Abstract communication service interface(ACSI) (Chinese: 7 2 ACSI) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42151. 72 2024