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IAPH INFO
| 题名： | IAPH INFO |
| 正文语种： | eng |
| 摘要： | As of October 2021, a total of 6,933 vessels have been registered with the Environmental Ship Index (ESI). Compared to the last update from July this year, 58 vessels have been added to the index. |
| 出版年： | 2021 |
| 期刊名称： | Ports & harbors |
| 卷： | 66 |
| 期： | 6 |
| 页码： | 38-38 |
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