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4-2024_Chinese: Optics and photonics - Microlens arrays - Part 4: Test methods for geometrical properties (Chinese: 光学和光子学 微透镜阵列 第4部分：几何特性测试方法)
GB/T 5483-2024_Chinese: Natural gypsum (Chinese: 天然石膏)
GB/T 45127-2025_Chinese: Plastics - Evaluation of the action of microorganisms (Chinese: 塑料 微生物作用的评价)
GB/T 43982
GB 15930-2024_Chinese: Fire dampers for building venting and smoke-venting system (Chinese: 建筑通风和排烟系统用防火阀门)
YY/T 1284-2024 Chinese PDF (YY /T1284-2024) GB/T 45093-2024 4-2024_Chinese: Optics and photonics -YY T 1284 2024_Chinese: Dentistry Dental tweezers (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: YY T 1284 2024
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