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International Standard Category: Steel profiles

YB/T 4163-2007    Hot-rolled angle steel for iron tower
铁塔用热轧角钢;
Category No.:77.140.70 Valid Status:superseded
Issued Organization: Issued Date:2007-3-6
Implemented Date:2007-9-1 Abolished Date:
Superseded Standard.:YB/T 4163-2016 Hot-rolled steel angles for tower structure
Superseded Date:2017-4-1
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