| 专利国别 | 日本 |
| 专利名称 | Nitrogen oxides removal from flue gas - by contact with potassium- or sodium permanganate which is recycled after oxidation |
| 专利号 | JP49106961-A |
| 标准国别 | - |
| 标准类别 | - |
| 标准名称 | - |
| 标准号 | - |
| 标准年份 | - |
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