China National Standards

China Flanged wafer resilient GB Standards List

  •  China "Flanged wafer resilient" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 12238-2008 Flanged and wafer resilient seal butterfly valves
    法兰和对夹连接弹性密封蝶阀    		 China National Standards
    Flanged wafer resilient
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