GB/T 41850.1-2024 Chinese PDF (GB /T41850.1-2024) GB 31604.61-2025 GB/T 44911-2024_Chinese: Aircraft equipment -

GB/T 44911-2024_Chinese: Aircraft equipment - Environmental and operating conditions for airborne equipment - Humidity

2-2025_Chinese: Design specification for mechanical components in nuclear island of pressurized water reactor nuclear power plants - Part 2: Class 1 components (Chinese: 压水堆核电厂核岛机械设备设计规范 第2部分：1级设备)

English versions: GB/T 31379

GB/T 36732-2024_Chinese: Specification for the construction and service of ecological recreation and health cultivation base (Chinese: 生态休闲养生基地建设和运营服务规范)

GB 45185-2024_Chinese: Optometry products - Safety technical specifications of finished spectacles (Chinese: 眼视光产品 成品眼镜安全技术规范)

GB/T 41850.1-2024 Chinese PDF (GB /T41850.1-2024) GB 31604.61-2025 GB/T 44911-2024_Chinese: Aircraft equipment -GB T 41850. 1 2024_Chinese: Mechanical vibration Measurement and evaluation of machine vibration Part 1: General guidelines (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 41850. 1 2024