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| International Standard Category: Carbon materials |
QJ 2781A-2004 Determination of the carbon content the hydrogen content and the nitrogen content of carbonaceous material
碳素材料碳、氢、氮含量测定方法;
| Category No.: | 59.100.20 | Valid Status: | valid |
| Issued Organization: | 0 | Issued Date: | 2004-9-1 |
| Implemented Date: | 2004-12-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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