China National Standards

China valves—Specification GB Standards List

  •  China "valves—Specification" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 12225-2018 General purpose industrial valves—Specification of copper alloy castings
    通用阀门 铜合金铸件技术条件    		 China National Standards
    valves—Specification
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