China National Standards

China pcv Industry Standards English PDF List

  •  China "pcv" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JB/T 14226-2022 Test method for [limit pcv value] of mechanical seal friction material combination {译}
    机械密封摩擦材料组合的[极限pcv值]试验方法    		 China Machinery Industry Standards
    pcv
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