China National Standards

China Assembled spectacles 1: GB Standards List

  •  China "Assembled spectacles 1:" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB 13511.1-2011 Assembled spectacles - Part 1: Single-vision and multifocal
    配装眼镜 第1部分：单光和多焦点    		 China National Standards
    Assembled spectacles 1:
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