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Standard Insuued on: 2002-11 |
Category No.: | YS | Valid Status: | superseded |
Issued Organization: | State Economic and Trade Commission | Issued Date: | 2002-11-22 |
Implemented Date: | 2003-1-1 | Abolished Date: | |
Superseded Standard.: | YS/T 446-2011 Aluminium alloy composite foils and strips used for brazing type heat exchangers |
Superseded Date: | 2012-7-1 |
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