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International Standard Category: Iron and steel castings

JB/T 7031-2006    Steel castings for the end cover of the large grinding machines
大型磨机类端盖铸钢件 ;
Category No.:77.140.80 Valid Status:superseded
Issued Organization:NDRC Issued Date:2006-11-27
Implemented Date:2007-5-1 Abolished Date:
Superseded Standard.:JB/T 7031-2018 Steel castings for the end cover of the large grinding machines一Technical specification
Superseded Date:2018-10-1
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