GB/T 26940-2023 Chinese PDF (GB/T26940-2023) GB/T 45128-2025 2-2025_Chinese: IPv4/IPv6 network security protection

2-2025_Chinese: IPv4/IPv6 network security protection technical specifications - Part 2: Mobile communication network (Chinese: IPv4/IPv6网络安全防护技术规范 第2部分：移动通信网)

GB/T 45604-2025_Chinese: Ships and marine technology - High holding power balance anchors (Chinese: 船舶与海洋技术 大抓力平衡锚)

English versions: GB/T 45578-2025

GB/T 13477

English versions: GB/T 30844

GB/T 26940-2023 Chinese PDF (GB/T26940-2023) GB/T 45128-2025 2-2025_Chinese: IPv4/IPv6 network security protectionGB T 26940 2023_Chinese: Dried oysters (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 26940 2023