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| 1 | Measures for Vibration Caused by Shinkansen Trains Urgently Required to Preserve the Environment | 環境保全上緊急を要する新幹線鉄道振動対策について | |||
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| 1 | Measures for Vibration Caused by Shinkansen Trains Urgently Required to Preserve the Environment | 環境保全上緊急を要する新幹線鉄道振動対策について | |||
