GB/T 45120-2024 Chinese PDF (GB /T45120-2024) GB/T 31318-2025 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）)

GB/T 44882-2024_Chinese: Information technology - Closed captioning (Chinese: 信息技术 可关闭字幕)

English versions: GB/T 34110-2025

GB/T 24217-2025_Chinese: Washing oil (Chinese: 洗油)

GB 15605-2024_Chinese: Specifications for pressure venting of dust explosion (Chinese: 粉尘爆炸泄压规范)

GB/T 45120-2024 Chinese PDF (GB /T45120-2024) GB/T 31318-2025 measuring or monitoring of protectiveGB T 45120 2024_Chinese: Road vehicles Supply voltage of 48 V Electrical requirements and tests (Chinese: 48V ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45120 2024