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| 1 | industrial water supply business | 工業用水道事業 | |||
| 2 | Industrial Water Supply Business Law | 工業用水道事業法 | |||
| 3 | industrial water supply program for preventing ground subsidence | 地盤沈下防止対策工業用水道事業 | |||
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|---|---|---|---|---|---|
| 1 | industrial water supply business | 工業用水道事業 | |||
| 2 | Industrial Water Supply Business Law | 工業用水道事業法 | |||
| 3 | industrial water supply program for preventing ground subsidence | 地盤沈下防止対策工業用水道事業 | |||
 
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