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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 43307-2023_Chinese: Fine ceramic fibers - Determination of tensile properties of filaments at room temperature (Chinese: 精细陶瓷纤维 单丝室温拉伸性能的测定)
English versions: GB/T 45098-2024
GB/T 15148-2024_Chinese: Technical specifications for power load management system (Chinese: 电力负荷管理系统技术规范)
GB 4717-2024_Chinese: Fire alarm control units (Chinese: 火灾报警控制器)
GB/T 42251-2022 Chinese PDF (GB/T42251-2022) GB/T 22180-2024 1-2025_Chinese: Optics and photonics -GB T 42251 2022_Chinese: Technical regulations for ecological restoration of mining subsidence area (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42251 2022
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