China National Standards

China Locknut Industry Standards English PDF List

  •  China " Locknut" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    TB/T 3019-2001 Variable tooth type Locknut
    变牙型心松螺母    		 China Railway & Train Standards
    Locknut
    English PDF
    TB/T 826-1991 (Locknut)
    锁紧螺母    		 China Railway & Train Standards
    Locknut
    English PDF

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