GB/T 18876.2-2024 Chinese PDF (GB/T18876.2-2024) GB/T 45133-2025 measuring or monitoring of protective

measuring or monitoring of protective measures - Part 12: Power metering and monitoring devices(PMD) (Chinese: 交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第12部分：电量测量和监视装置（PMD）)

English versions: GB/T 14713-2023

GB/T 32456-2025_Chinese: General technical specification for energy saving heating system of rubber and plastics machines (Chinese: 橡胶塑料机械用节能型加热系统通用技术规范)

GB/T 31015-2024_Chinese: Public information guidance systems - Design and setting principles and requirements for the consideration of accessible needs (Chinese: 公共信息导向系统 基于无障碍需求的设计与设置原则和要求)

English versions: GB/T 23301-2024

GB/T 18876.2-2024 Chinese PDF (GB/T18876.2-2024) GB/T 45133-2025 measuring or monitoring of protectiveGB T 18876. 2 2024_Chinese: Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis Part 2: Determining the inclusion ratings of steels by automatic image analysis and stereology (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18876. 2 2024