GB/T 22309-2023 Chinese PDF (GB/T22309-2023) GB/T 13511.2-2025 GB/T 45279

GB/T 45279

GB/T 17817-2024_Chinese: Determination of vitamin A in feeds - High performance liquid chromatography (Chinese: 饲料中维生素A的测定 高效液相色谱法)

English versions: GB/T 18462-2025

6-2024_Chinese: Communication networks and systems for power utility automation - Part 6: Configuration description language for communication in power utility automation systems related to IEDs (Chinese: 电力自动化通信网络和系统 第6部分：与智能电子设备相关的电力自动化系统通信配置描述语言)

English versions: GBZ45268-2025

GB/T 22309-2023 Chinese PDF (GB/T22309-2023) GB/T 13511.2-2025 GB/T 45279GB T 22309 2023_Chinese: Road vehicles Brake linings Shear test method for disc brake pad and drum brake shoe assemblies (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22309 2023