GB/T 5121.8-2024 Chinese PDF (GB/T5121.8-2024) GB 30077-2023 English versions: GB/T 45298-2025

English versions: GB/T 45298-2025

English versions: GB/T 45538-2025

4-2024_Chinese: Information technology - Security techniques - Entity authentication - Part 4: Mechanisms using a cryptographic check function (Chinese: 信息技术 安全技术 实体鉴别 第4部分：采用密码校验函数的机制)

6R/120 for relative scuffing load-carrying capacity of high EP oils (Chinese: 齿轮 FZG试验程序 第2部分：高极压油的相对胶合承载能力FZG阶梯加载试验A10/16

English versions: GB/T 38178

GB/T 5121.8-2024 Chinese PDF (GB/T5121.8-2024) GB 30077-2023 English versions: GB/T 45298-2025GB T 5121. 8 2024_Chinese: Methods for chemical analysis of copper and copper alloys Part 8: Determination of oxygen, nitrogen and hydrogen contents (Chinese: 8) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5121. 8 2024