China National Standards

China photochromism GB Standards List

  •  China "photochromism" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 8431-1998 Textiles--Tests for colour fastness--Detection and assessment of photochromism
    纺织品 色牢度试验 光致变色的检验和评定    		 China National Standards
    photochromism
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