GB/T 2878.1-2025 Chinese PDF (GB /T2878.1-2025) GB 39800.9-2024 English versions: GB 17167-2025

English versions: GB 17167-2025

33-2024_Chinese: Specifications for optical fibre test methods - Part 33: Measurement methods and test procedures for mechanical characteristics - Stress corrosion susceptibility (Chinese: 光纤试验方法规范 第33部分：机械性能的测量方法和试验程序 应力腐蚀敏感性参数)

English versions: GB/T 27793-2024

1-2024_Chinese: Grain and oil storage - Monitoring and control system of stored-grain condition - Part 1: General rule (Chinese: 粮油储藏 粮情测控系统 第1部分：通则)

English versions: GB 31648-2025

GB/T 2878.1-2025 Chinese PDF (GB /T2878.1-2025) GB 39800.9-2024 English versions: GB 17167-2025GB T 2878. 1 2025_Chinese: Connections for hydraulic fluid power Ports with truncated housing and stud ends with metric threads Part 1: Ports with truncated housing (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 2878. 1 2025