China National Standards

China Wet Roots Industry Standards English PDF List

  •  China " Wet Roots" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    QB/T 1445-1992 (Wet Roots vacuum pump performance test methods)
    湿式罗茨真空泵性能测试方法    		 China Light Industry Standards
    Wet Roots
    English PDF

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