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1-2025_Chinese: Uncut finished spectacle lenses - Part 1: Single-vision and multifocal (Chinese: 眼镜镜片 第1部分：单焦和多焦)
GB/T 24055
10-2025_Chinese: Instrument transformers - Part 10: Additional requirements for low-power passive current transformers (Chinese: 互感器 第10部分：低功率无源电流互感器的补充技术要求)
11-2025_Chinese: Instrument transformers - Part 11: Additional requirements for low-power passive voltage transformers (Chinese: 互感器 第11部分：低功率无源电压互感器的补充技术要求)
GB/T 13511.4-2025 Chinese PDF (GB /T13511.4-2025) GB 5009.31-2025 1-2025_Chinese: Uncut finished spectacle lensesGB T 13511. 4 2025_Chinese: Assembled spectacles Part 4: Multifocal and power variation near vision spectacles (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 13511. 4 2025
