GB/T 32865-2025 Chinese PDF (GB /T32865-2025) GB/T 17591-2025 GB/T 20424-2025_Chinese: The specification for

GB/T 20424-2025_Chinese: The specification for limit on harmful element content of the heavy nonferrous metal concentrates products (Chinese: 重有色金属精矿产品中有害元素的限量规范)

GB/T 33555-2025_Chinese: Cleanrooms and associated controlled environments - Technical requirements of electrostatic control (Chinese: 洁净室及相关受控环境 静电控制技术要求)

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)

GB/T 27995

GB/T 32865-2025 Chinese PDF (GB /T32865-2025) GB/T 17591-2025 GB/T 20424-2025_Chinese: The specification forGB T 32865 2025_Chinese: Quality requirements and test methods for tight sandstone gas products (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 32865 2025