China National Standards

China Cemented carbide inserts GB Standards List

  •  China "Cemented carbide inserts" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 2527-2008 Cemented carbide inserts for mining and oil-field bits
    矿山、油田钻头用硬质合金齿    		 China National Standards
    Cemented carbide inserts
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