GB/T 45393.4-2025 Chinese PDF (GB /T45393.4-2025) GB/T 33223-2024 GB/T 22459

GB/T 22459

power supply units and combinations thereof - Part 14: Particular requirements and tests for auto-transformers and power supply units incorporating auto-transformers for general applications (Chinese: 变压器、电抗器、电源装置及其组合的安全 第14部分：一般用途自耦变压器和内装自耦变压器的电源装置的特殊要求和试验)

English versions: GB/T 45359

GB/T 45121-2024_Chinese: Technical specifications of energy consumption measurement for flue gas CO2 capture system in thermal power plants (Chinese: 火力发电厂烟气二氧化碳捕集系统能耗测定技术规范)

3-2024_Chinese: Technical requirements and test method for sports field - Part 3: Baseball and softball field (Chinese: 体育场地使用要求及检验方法 第3部分：棒球、垒球场地)

GB/T 45393.4-2025 Chinese PDF (GB /T45393.4-2025) GB/T 33223-2024 GB/T 22459GB T 45393. 4 2025_Chinese: Information technology Building information model(BIM) software Part 4: Mesh model (Chinese: BIM 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45393. 4 2025