GB/T 20186.3-2023 Chinese PDF (GB/T20186.3-2023) GB/T 25820-2025 English versions: GB/T 20882

English versions: GB/T 20882

English versions: GB/T 18851

English versions: GB/T 33761-2024

5-2024_Chinese: IPv6 evolution technical requirements - Part 5: SRv6-based VPN (Chinese: IPv6演进技术要求 第5部分：基于IPv6段路由（SRv6）的虚拟专用网（VPN）)

GB/T 45099-2024_Chinese: Technical requirements for completion and acceptance of traction battery maintenance (Chinese: 动力蓄电池维修竣工出厂技术条件)

GB/T 20186.3-2023 Chinese PDF (GB/T20186.3-2023) GB/T 25820-2025 English versions: GB/T 20882GB T 20186. 3 2023_Chinese: Secondary coating materials used for optical fibre Part 3: Modified polycarbonate (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20186. 3 2023