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International Standard Category: Iron and steel castings

GB/T 4308-1984    Cermet hot extrusion die blank
金属陶瓷热挤压模坯 ;
Category No.:77.140.80 Valid Status:superseded
Issued Organization:China State Bureau of Standards Issued Date:1984-03-27
Implemented Date:1985-3-1 Abolished Date:
Superseded Standard.:YS/T 518-2006 Cermet hot extrusion die blank
Superseded Date:2006-10-11
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