China Semi-finished specta GB Standards Search Result |
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1. Ready translated GB standards
and Chinese version GB Standards, you can purchase directly
in the web page; After receive your payment, we will send
the GB Standards PDF file to your Email within 1~3 days.
2. Other English version GB Standards are not ready translated, only after get your order, then we translate them, time usually need 3-5 days . |
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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 - 中英文版 |
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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 - 中英文版 |
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