China National Standards

China 49：Polyamide GB Standards List

  •  China "49：Polyamide" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 18916.49-2020 Norm of water intake—Part 49：Polyamide product
    取水定额 第49部分：锦纶产品    		 China National Standards
    49：Polyamide
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