GB/T 150.4-2024 Chinese PDF (GB/T150.4-2024) GB/T 23500-2025 GB 13788-2024_Chinese: Cold rolled ribbed

GB 13788-2024_Chinese: Cold rolled ribbed steel bars (Chinese: 冷轧带肋钢筋)

GB/T 45312-2025_Chinese: Intelligent and connected vehicles - Operational design condition for automated driving system (Chinese: 智能网联汽车 自动驾驶系统设计运行条件)

GB/T 31033-2025_Chinese: Technical requirements for well control technology of oil and gas drilling (Chinese: 石油天然气钻井井控技术要求)

generators and transformers (Chinese: 量度继电器和保护装置 第187-1部分：差动保护的功能要求 电动机、发电机和变压器比率制动差动保护和差动速断保护)

GB/T 150.4-2024 Chinese PDF (GB/T150.4-2024) GB/T 23500-2025 GB 13788-2024_Chinese: Cold rolled ribbedGB T 150. 4 2024_Chinese: Pressure vessels Part 4: Fabrication, inspection and testing, and acceptance (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 150. 4 2024