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GB/T 31379
power supply units and combinations thereof - Part 2: Particular requirements and tests for separating transformers and power supply units incorporating separating transformers for general applications (Chinese: 变压器、电抗器、电源装置及其组合的安全 第2部分：一般用途分离变压器和内装分离变压器的电源装置的特殊要求和试验)
English versions: GB/T 45482-2025
English versions: GB/T 45414-2025
GB/T 23480-2025_Chinese: Small hole drilling electrical discharge machines - Testing of the accuracy (Chinese: 电火花小孔加工机床 精度检验)
GB/T 45499-2025 Chinese PDF (GB /T45499-2025) GB/T 32865-2025 GB/T 31379GB T 45499 2025_Chinese: Specifications for library management and service in township(subdistrict) cultural station (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45499 2025
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