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GB/T 20931
English versions: GB/T 23480-2025
GB/T 44966-2024_Chinese: Determination of the content of fatty acid ethyl esters in olive oil - Gas chromatography-mass spectrometry (Chinese: 橄榄油中脂肪酸乙酯含量的测定 气相色谱-质谱法)
1-2024_Chinese: Non-active surgical implants - Osteosynthesis and joint replacement implants - Part 1: Particular requirements for osteosynthesis implants (Chinese: 无源外科植入物 骨接合与关节置换植入器械 第1部分：骨接合植入器械特殊要求)
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 44808.4-2024 Chinese PDF (GB /T44808.4-2024) GB/T 1346-2024 GB/T 20931GB T 44808. 4 2024_Chinese: Ergonomics Accessible design Part 4: A method for estimating minimum legible font size for people at any age (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 44808. 4 2024
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