GB/T 45441-2025 Chinese PDF (GB /T45441-2025) GB/T 18376.2-2024 TN and IT systems (Chinese:

TN and IT systems (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11部分：TT、TN和IT系统中剩余电流监视器（RCM）的有效性)

GB/T 44949-2024_Chinese: Intelligent hot stamping production line (Chinese: 智能热冲压成形生产线)

1-2024_Chinese: Technical specification for OPC unified architecture and 5G integration - Part 1: General requirements (Chinese: OPC统一架构与5G集成技术规范 第1部分：通用要求)

English versions: GB/T 25982-2024

GB/T 45441-2025 Chinese PDF (GB /T45441-2025) GB/T 18376.2-2024 TN and IT systems (Chinese:GB T 45441 2025_Chinese: Greenhouse gases Quantification methods and requirements of carbon footprint of products Plastic products (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45441 2025