China National Standards

China roughing Industry Standards English PDF List

  •  China "roughing" Industry Standards English PDF List:
    • Standard  Code Standard Title Standard Class Order
    JB/T 13763-2020 Hot tandem roughing mill main drive hydraulic safety coupling {译}
    热连轧粗轧机主传动液压安全联轴器    		 China Machinery Industry Standards
    roughing
    English PDF

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