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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 27995.2-2025 |
Semi-finished Lens Blanks - Part 2: Progressive Pre-Prescribed Spectacles {译} 半成品镜片毛坯-第2部分：渐变焦 |
China National Standards Prescribed |
 English PDF |
| GB/T 13511.2-2025 |
Fitting Spectacles - Part 2: Progressive Pre-Prescribed Spectacles {译} 配装眼镜-第2部分：渐变焦定配眼镜 |
China National Standards Prescribed |
English PDF |
| GB/T 13511.1-2025 |
Fitting Spectacles - Part 1: Single and Multifocal Pre-Prescribed Spectacles {译} 配装眼镜-第1部分：单焦和多焦定配眼镜 |
China National Standards Prescribed |
English PDF |
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