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| 노선명 변경이력 |
| Date | 노선명 | | 06/01/193810/31/1938 |  | 興雪線 Kōsetsu Line | | 06/01/193810/31/1938 |  | 興雪線 Kōsetsu Line | | 11/01/193801/14/1940 |  | 汪北線 Ōhoku Line | | 11/01/193801/14/1940 |  | 汪北線 Ōhoku Line | | 01/15/194007/31/1940 |  | 汪老線 Ōrō Line | | 01/15/194007/31/1940 |  | 汪老線 Ōrō Line | | 08/01/194012/14/1940 |  | 汪城線 Ōjō Line | | 08/01/194012/14/1940 |  | 汪城線 Ōjō Line |
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