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English versions: GB/T 44916-2024
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 44998-2024_Chinese: Determination of nitrates and nitrites in surfactants - Ion chromatography method (Chinese: 表面活性剂中硝酸盐和亚硝酸盐的测定 离子色谱法)
English versions: GB 17799
GB/T 45250-2025_Chinese: Telecom and internet services - Standardization guideline (Chinese: 电信和互联网服务 标准化工作指南)
YY/T 1951-2024 Chinese PDF (YY /T1951-2024) GB/T 17670-2025 English versions: GB/T 44916-2024YY T 1951 2024_Chinese: Tissue engineering medical device products Generic requirement for bio derived peripheral nerve repair implant (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: YY T 1951 2024
