GB/T 15115-2024 Chinese PDF (GB/T15115-2024) YY/T 0294.1-2024 GB/T 45335-2025_Chinese: Determination of the

GB/T 45335-2025_Chinese: Determination of the content of attapulgite phase - X-ray diffraction standard curve method (Chinese: 凹凸棒石相含量的测定 X射线衍射-标准曲线法)

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)

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 45628-2025

GB/T 29772-2024_Chinese: General requirements of electric vehicle battery swap station (Chinese: 电动汽车电池更换站通用技术要求)

GB/T 15115-2024 Chinese PDF (GB/T15115-2024) YY/T 0294.1-2024 GB/T 45335-2025_Chinese: Determination of theGB 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