China National Standards

China Flared couplings Lock GB Standards List

  •  China "Flared couplings Lock" GB Standards List:
    • Standard  Code Standard Title Standard Class Order
    GB/T 5649-2008 Flared couplings - Lock nut and lockup washer
    管接头用锁紧螺母和垫圈    		 China National Standards
    Flared couplings Lock
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