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| International Standard Category: Cement. Gypsum. Lime. Mortar |
GB/T 6645-1986 Granulated electric furnace phosphorous slag used for cement production
用于水泥中的粒化电炉磷渣 ;
| Category No.: | 91.100.10 | Valid Status: | superseded |
| Issued Organization: | National Bureau of Standards | Issued Date: | 1986-07-29 |
| Implemented Date: | 1987-7-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 6645-2008 Granulated electric furnace phosphorous slag used for cement |
Superseded Date: | 2009-4-1 |
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