China National Standards

China butyral GB Standards List

  •  China "butyral" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 32020-2015 Polyvinyl butyral interlayer for laminated glass
    夹层玻璃用聚乙烯醇缩丁醛中间膜    		 China National Standards
    butyral
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