Cart:
 |
GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards; We provide Chinese GB standards and English version GB standards Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services. |
| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| 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 Semi-finished specta |
 English PDF |
| 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 Semi-finished specta |
English PDF |
| Find out:2Items | To Page of: First -Previous-Next -Last | 1 |
+86-755-25831330
