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International Standard Category: Welding consumables

HB 459-2004    Specification for coverd electrodes of structure steel for aviation
航空用结构钢焊条规范 ;
Category No.:25.160.20 Valid Status:valid
Issued Organization: Issued Date:2004-02-16
Implemented Date:2004-6-1 Abolished Date:
Superseded Standard.: Superseded Date:
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