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1-2025_Chinese: Optics and photonics - Test methods for telescopic systems - Part 1: Basic characteristics (Chinese: 光学和光子学 望远镜系统试验方法 第1部分：基本特性)
GB/T 12939-2024_Chinese: Industrial vehicle rims (Chinese: 工业车辆轮辋规格系列)
GB/T 45406-2025_Chinese: Security technical requirements for critical network devices - Programmable logic controller(PLC) (Chinese: 网络关键设备安全技术要求 可编程逻辑控制器（PLC）)
GB 14866-2023_Chinese: General technical specification for eye and face protector (Chinese: 眼面防护具通用技术规范)
English versions: GB 36893-2024
GB/T 13296-2023 Chinese PDF (GB/T13296-2023) GB/T 27534.4-2025 1-2025_Chinese: Optics and photonics -GB T 13296 2023_Chinese: Seamless stainless steel tubes for boiler and heat exchanger (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 13296 2023
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