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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)
English versions: GB 20071-2025
9-2024_Chinese: Mechanical vibration - Measurement and evaluation of machine vibration - Part 9: Gear units (Chinese: 机械振动 机器振动的测量和评价 第9部分：齿轮装置)
1-dichloroethylene and 1
English versions: GB/T 27534
GB/T 29117-2025 Chinese PDF (GB /T29117-2025) GB/T 20243.2-2025 3-2025_Chinese: Uncut finished spectacle lensesGB T 29117 2025_Chinese: Evaluating guide for green schools (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 29117 2025
US$ 65.00
US$ 28.95
US$ 48.95
US$ 31.95
US$ 43.75
US$ 56.35
US$ 29.95
US$ 53.95
US$ 29.95
