GB 45246-2025 Chinese PDF GB 12158-2024 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)

English versions: GB/T 13523-2024

English versions: GB 12710-2024

English versions: GB 45669

GB/T 11730-2025_Chinese: Rural domestic water quantity (Chinese: 农村生活饮用水量)

GB 45246-2025 Chinese PDF GB 12158-2024 1-2025_Chinese: Uncut finished spectacle lensesGB 45246 2025_Chinese: Norm of energy consumption per unit production of main wood based panel products (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 45246 2025