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| International Standard Category: Cement. Gypsum. Lime. Mortar |
JC/T 452-2002 Directives for the grading of conventional cement product
通用水泥质量等级 ;
| Category No.: | 91.100.10 | Valid Status: | superseded |
| Issued Organization: | NDRC | Issued Date: | 2002-06-09 |
| Implemented Date: | 2002-12-1 | Abolished Date: | |
| Superseded Standard.: | JC/T 452-2009 Ranking of common Portland cements |
Superseded Date: | 2010-6-1 |
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