GB/T 27995.2-2025 Chinese PDF (GB /T27995.2-2025) GB/T 1232.2-2025 GB/T 24055

GB/T 24055

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)

1-2025_Chinese: Norm of water intake for industry in the Yellow River basin - Part 1: Thermal power production (Chinese: 黄河流域工业用水定额 第1部分：火力发电)

GB/T 23327-2025_Chinese: Woven adhesive interlining (Chinese: 机织粘合衬)

English versions: GB/T 22451-2024

GB/T 27995.2-2025 Chinese PDF (GB /T27995.2-2025) GB/T 1232.2-2025 GB/T 24055GB T 27995. 2 2025_Chinese: Semi finished spectacle lens blanks Part 2: Power variation (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27995. 2 2025