China National Standards

China Glasses frame Industry Standards English PDF List

  •  China " Glasses frame" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QB/T 1912-1993 (Glasses frame metal coating thickness testing methods. X fluorescence spectrometry)
    眼镜架金属镀层厚度测试方法.X荧光光谱法    		 China Light Industry Standards
    Glasses frame
    English PDF

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