China National Standards

China Carbonized Tungsten Industry Standards English PDF List

  •  China "Carbonized Tungsten " Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    SJ/T 10168.4-1991 Carbonized Tungsten. Copper alloy
    真空开关管用金属异型制品 碳化钨铜合金    		 China Electronics Standards
    Carbonized Tungsten
    English PDF

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