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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)
English versions: GB/T 15074-2025
GBZ27032-2025_Chinese: Conformity assessment - Guidelines and examples of a scheme for the certification of processes (Chinese: 合格评定 过程认证方案指南与示例)
2-2024_Chinese: Safety requirements for electrical equipment for measurement
GB/T 20840
GB 32051-2024 English PDF GB/T 30889-2024 3-2024_Chinese: Optics and photonics -GB 32051 2024_Chinese: Norm of energy consumption per unit production of titanium dioxide and iron oxide pigments (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 32051 2024
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