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English versions: GB/T 44930-2024
GB/T 44914-2024_Chinese: Hetianyu grading (Chinese: 和田玉分级)
GB/T 45076-2024_Chinese: Specification for construction of recyclable resources trading platform (Chinese: 再生资源交易平台建设规范)
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 44922-2024 Chinese PDF (GB /T44922-2024) GB/T 24238-2025 English versions: GB/T 44930-2024GB T 44922 2024_Chinese: Additive manufacturing Qualification principles Qualifying machine operators of laser metal powder bed fusion machines and equipment used in aerospace applications (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 44922 2024
