GB/T 15340-2025 Chinese PDF (GB /T15340-2025) GB 5009.31-2025 1-2025_Chinese: Uncut finished spectacle lenses

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 17817-2024_Chinese: Determination of vitamin A in feeds - High performance liquid chromatography (Chinese: 饲料中维生素A的测定 高效液相色谱法)

1-2025_Chinese: Norm of water intake for service industry in the Yellow River basin - Part 1: Hotel (Chinese: 黄河流域服务业用水定额 第1部分：宾馆)

English versions: GB/T 12690

GB/T 13963-2025_Chinese: Copying(including multifunction) devices - Terminology (Chinese: 复印（包括多功能）设备 术语)

GB/T 15340-2025 Chinese PDF (GB /T15340-2025) GB 5009.31-2025 1-2025_Chinese: Uncut finished spectacle lensesGB T 15340 2025_Chinese: Rubber, raw natural and raw synthetic Sampling and further preparative procedures (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15340 2025