China National Standards

China pyrrolidinone GB Standards List

  •  China "pyrrolidinone" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 33070-2016 1-Vinyl-2-pyrrolidinone homopolymer for industrial use
    工业用聚N-乙烯基吡咯烷酮    		 China National Standards
    pyrrolidinone
    English PDF
    GB/T 33069-2016 Determination of 1-vinyl-2-pyrrolidinone homopolymer for industrial use
    工业用聚N-乙烯基吡咯烷酮检测方法    		 China National Standards
    pyrrolidinone
    English PDF

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