GB/T 29043-2023 Chinese PDF (GB/T29043-2023) GB/T 16649.3-2024 English versions: GB/T 45182-2025

English versions: GB/T 45182-2025

English versions: GB/T 22504

power supply units and combinations thereof - Part 5: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers for general applications (Chinese: 变压器、电抗器、电源装置及其组合的安全 第5部分：一般用途隔离变压器和内装隔离变压器的电源装置的特殊要求和试验)

4-2025_Chinese: Reference conditions and procedures for testing industrial and process measurement transmitters - Part 4: Specific procedures for level transmitters (Chinese: 工业过程测量变送器试验的参比条件和程序 第4部分：物位变送器的特定程序)

English versions: GB/T 29469-2024

GB/T 29043-2023 Chinese PDF (GB/T29043-2023) GB/T 16649.3-2024 English versions: GB/T 45182-2025GB T 29043 2023_Chinese: Test method for thermal insulating performance of curtain walls (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 29043 2023