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GB 27995.1-2011 China national standard english version:

 
GB
中华人民共和国 国家标准
NATIONAL STANDARD OF THE PEOPLE'S REPUBLIC OF CHINA

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
Issued Date:2011-12-30   Implemented Date:2012-12-01
Issued by:   The Standardization Administration of the People's Republic of China
 

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GB Standard Code GB 27995.1-2011
Standard Category China National Standards
English Title Semi-finished spectacle lens blanks - Part 1: Specifications for single-vision and multifocal lens blanks
Chinese Title 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
Chinese Version Price $5.00 per page
English Translation Fee $15~$30 per page
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