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| International Standard Category: Flanges, couplings and joints |
GB/T 13294-1991 Higher purity copper cathode. Determiantion of tin content. Zeeman effect electrothermal atomic absorption spectrometric method
球墨铸铁管件 ;
| Category No.: | 23.040.60 | Valid Status: | superseded |
| Issued Organization: | Issued Date: | 1991-12-13 | |
| Implemented Date: | 1992-10-1 | Abolished Date: | 2003-08-01 |
| Superseded Standard.: | GB/T 13295-2003 Ductile iron pipes,fittings and accessories for water or gas applications |
Superseded Date: | 2003-8-1 |
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