China National Standards

China Copper alloy hubbed GB Standards List

  •  China "Copper alloy hubbed" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 15530.4-2008 Copper alloy hubbed slip-on flanges for brazing or welding
    铜合金带颈平焊法兰    		 China National Standards
    Copper alloy hubbed
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