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3-2025_Chinese: Uncut finished spectacle lenses - Part 3: Transmittance test methods (Chinese: 眼镜镜片 第3部分：透射比试验方法)
3-2023_Chinese: Methods for chemical analysis of tungsten concentrates - Part 3: Determination of phosphorus content - The phosphorus molybdenum yellow spectrophotometry and inductively coupled plasma atomic emission spectrometry (Chinese: 钨精矿化学分析方法 第3部分：磷含量的测定 磷钼黄分光光度法和电感耦合等离子体原子发射光谱法)
GB/T 38003
English versions: GB/T 20340
English versions: GB/T 36395-2024
GB/T 5111-2024 Chinese PDF (GB/T5111-2024) GB/T 30894-2024 3-2025_Chinese: Uncut finished spectacle lensesGB T 5111 2024_Chinese: Acoustics Measurement of noise emitted by rail bound vehicles (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5111 2024
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