China National Standards

China Vacuum technology—Valves—Leak test GB Standards List

  •  China "Vacuum technology—Valves—Leak test" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 34878-2017 Vacuum technology—Valves—Leak test
    真空技术 阀门 漏率测试    		 China National Standards
    Vacuum technology—Valves—Leak test
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