GB/T 28572-2025 Chinese PDF (GB /T28572-2025) GB/T 30843.1-2024 2-2024_Chinese: Lighting of work places

2-2024_Chinese: Lighting of work places - Part 2: Lighting requirements for safety and security of outdoor work places (Chinese: 工作场所照明 第2部分：室外作业场所的安全保障照明要求)

9-2024_Chinese: Mechanical vibration - Measurement and evaluation of machine vibration - Part 9: Gear units (Chinese: 机械振动 机器振动的测量和评价 第9部分：齿轮装置)

endurance and mechanical test methods - Glass strength and reliability (Chinese: 液晶显示器件 第10-3部分：环境、耐久性和机械试验方法 玻璃强度和可靠性)

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 15969

GB/T 28572-2025 Chinese PDF (GB /T28572-2025) GB/T 30843.1-2024 2-2024_Chinese: Lighting of work placesGB T 28572 2025_Chinese: Specification and technical parameters of inlet valves for large and medium sized hydraulic turbines (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 28572 2025