GB/T 42151.72-2024 Chinese PDF (GB /T42151.72-2024) GB/T 23595.3-2025

GB/T 42151.72-2024 Chinese PDF (GB /T42151.72-2024) GB/T 23595.3-2025GB 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

3-2024_Chinese: Ergonomics - Accessible design - Part 3: Sound pressure levels of spoken announcements for products and public address systems (Chinese: 人类工效学 无障碍设计 第3部分：产品和公共广播系统语音播报的声压级)

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 4214

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)

24-2025_Chinese: Methods for chemical analysis of magnesium and magnesium alloys - Part 24: Determination of trace impurity elements contents - Glow discharge mass spectrometry (Chinese: 镁及镁合金化学分析方法 第24部分：痕量杂质元素的测定 辉光放电质谱法)

English versions: GB/T 43982

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 1232

English versions: GB/T 12540-2024

4-2024_Chinese: Ergonomics - Accessible design - Part 4: A method for estimating minimum legible font size for people at any age (Chinese: 人类工效学 无障碍设计 第4部分：不同年龄人群最小可辨认字符尺寸的估计方法)

1）第1部分：基本记法规范)

English versions: GB/T 33492-2024