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| International Standard Category: Cadmium, cobalt and their alloys |
GB/T 8183-1987 Niobium seamless tubes
铌无缝管 ;
| Category No.: | 77.120.70 | Valid Status: | superseded |
| Issued Organization: | China State Bureau of Standards | Issued Date: | 1987-08-31 |
| Implemented Date: | 1988-7-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 8183-2007 Niobium and niobium alloy seamless tubes |
Superseded Date: | 2008-6-1 |
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