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2-2025_Chinese: Optics and photonics - Specifications for binoculars
GB/T 45124-2024_Chinese: Measurement of liquid flow in closed conduits - Volumetric method (Chinese: 封闭管道中液体流量的测量 容积法)
English versions: GB/T 45375-2025
GB/T 38178
3-2024_Chinese: Optics and photonics - Microlens arrays - Part 3: Test methods for optical properties (Chinese: 光学和光子学 微透镜阵列 第3部分：光学特性测试方法)
GB/T 2039-2024 English PDF (GB/T2039-2024) GB/T 45117-2024 2-2025_Chinese: Optics and photonics -GB T 2039 2024_Chinese: Metallic materials Uniaxial creep testing method in tension (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 2039 2024
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