China National Standards

China clarity GB Standards List

  •  China "clarity" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 20504-2006 Anodizing of aluminium and its alloys - Visual determination of image clarity of anodic oxidation coatings - Chart scale method
    铝及铝合金阳极氧化 阳极氧化膜影像清晰度的测定 条标法    		 China National Standards
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