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3-2025_Chinese: Optics and photonics - Test methods for telescopic systems - Part 3: Telescopic sights (Chinese: 光学和光子学 望远镜系统试验方法 第3部分：瞄准望远镜)
GB/T 45161-2024_Chinese: Technical specification of safety valves for liquid hydrogen vessels (Chinese: 液氢容器用安全阀技术规范)
ethylene glycol and dimethyl ether (Chinese: 甲醇、乙二醇和二甲醚单位产品能源消耗限额)
English versions: GB/T 45384-2025
GB 43471-2023 Chinese PDF GB/T 18916.8-2025 3-2025_Chinese: Optics and photonics -GB 43471 2023_Chinese: Light sources Safety requirements (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 43471 2023
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