China National Standards

China 2：Shut GB Standards List

  •  China "2：Shut" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 34530.2-2017 Valve for cryogenic insulated cylinder—Part 2：Shut-off valve
    低温绝热气瓶用阀门 第2部分：截止阀    		 China National Standards
    2：Shut
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