China National Standards

China Determination structure morphology GB Standards List

  •  China "Determination structure morphology" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 23442-2009 Determination of structure and morphology for the precursors of polyacrylonitrile-based carbon fibers
    聚丙烯腈基碳纤维原丝结构和形态的测定    		 China National Standards
    Determination structure morphology
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