China National Standards

China Epoxy coated seven GB Standards List

  •  China "Epoxy coated seven" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 21073-2007 Epoxy-coated seven-wire prestressing steel strand
    环氧涂层七丝预应力钢绞线    		 China National Standards
    Epoxy coated seven
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