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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB 27995.1-2011 |
Semi-finished spectacle lens blanks - Part 1: Specifications for single-vision and multifocal lens blanks 半成品眼镜片毛坯 第1部分：单光和多焦点眼镜片毛坯规范 |
China National Standards multifocal |
 English PDF |
| GB 13511.1-2011 |
Assembled spectacles - Part 1: Single-vision and multifocal 配装眼镜 第1部分：单光和多焦点 |
China National Standards multifocal |
English PDF |
| GB 10810.1-2005 |
Uncut finished Spectacle lenses Part1:Single-vision and multifocal lenses 眼镜镜片 第一部分:单光和多焦点镜片 |
China National Standards multifocal |
English PDF |
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