GB/T 15115-2024 Chinese PDF (GB/T15115-2024) YY/T 0294.1-2024 English versions: GB/T 12385-2025

English versions: GB/T 12385-2025

English versions: GB/T 16263

GB 30253-2024_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for permanent magnet synchronous motors (Chinese: 永磁同步电动机能效限定值及能效等级)

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)

GB/T 31036-2025_Chinese: Proton exchange membrane fuel cell backup power system - Safety (Chinese: 质子交换膜燃料电池备用电源系统 安全)

GB/T 15115-2024 Chinese PDF (GB/T15115-2024) YY/T 0294.1-2024 English versions: GB/T 12385-2025GB T 15115 2024_Chinese: Die casting aluminum alloys (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15115 2024