GB/T 19494.1-2023 Chinese PDF (GB/T19494.1-2023) GB 13788-2024 English versions: YY/T 0576-2024

English versions: YY/T 0576-2024

GB/T 45265-2025_Chinese: General technical requirements for additive manufacturing of lower limb prostheses (Chinese: 下肢假肢增材制造通用技术要求)

English versions: GB/T 17817-2024

English versions: GB/T 2909-2025

4-2025_Chinese: IPv4/IPv6 network security protection technical specifications - Part 4: Content delivery network (Chinese: IPv4/IPv6网络安全防护技术规范 第4部分：内容分发网络)

GB/T 19494.1-2023 Chinese PDF (GB/T19494.1-2023) GB 13788-2024 English versions: YY/T 0576-2024GB T 19494. 1 2023_Chinese: Mechanical sampling of coal Part 1: Method for sampling (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19494. 1 2023