China National Standards

China Properties quality requirement Industry Standards English PDF List

  •  China "Properties quality requirement" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QB 2682-2005 Properties and quality requirement for anti-reflection coating of spectacles lenses
    镀膜眼镜镜片减反射膜层性能质量要求    		 China Light Industry Standards
    Properties quality requirement
    English PDF

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