Cart:
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 34025-2017 |
Pinion type Progressive safety device for builders hoist 施工升降机用齿轮渐进式防坠安全器 |
China National Standards Progressive |
 English PDF |
| GB 27995.2-2011 |
Semi-finished spectacle lens blanks - Part 2: Specifications for Progressive power lens blanks 半成品眼镜片毛坯 第2部分：渐变焦眼镜片毛坯规范 |
China National Standards Progressive |
English PDF |
| GB 13511.2-2011 |
Assembled spectacles - Part 2：Progressive power 配装眼镜 第2部分：渐变焦 |
China National Standards Progressive |
English PDF |
| GB 10810.2-2006 |
Uncut finished spectacle lenses - Part 2: Progressive power spectacle lenses 眼镜镜片 第2部分：渐变焦镜片 |
China National Standards Progressive |
English PDF |
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