водна пречиствателна станция in Gunma Ken

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栗田工業（株） 群馬営業所

16−１１, 370-0841 Takasaki-shi, Japan

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三浦工業（株）太田営業所

30, 373-0033 Ōta-shi, Japan

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Watarasera Water Treatment Plant

Ōta-shi, 373-0011 Ōta-shi, Japan

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Gunmatobusuidokigyodan Ora Daisan Water Treatment Plant

Tatebayashi-shi, 374-0044 Tatebayashi-shi, Japan

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Saitamaken Gyoda Water Treatment Plant

Gyōda-shi, 361-0024 Gyōda-shi, Japan

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Nakajima Water Treatment Plant

中島町 Takasaki, 370-0023 Takasaki, Japan

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Itakuracho Minami Water Treatment Plant

Itakura-machi, Ōra-gun, 374-0122 Itakura-machi, Japan

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（株）ＡＴＰ

Maebashi-shi, 371-0031 Maebashi-shi, Japan

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Hasudashi Water Treatment Plant

88, 349-0133 Hasuda-shi, Japan

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西邑楽水質浄化センター

Chiyoda-machi, Ōra-gun, 370-0504 Chiyoda-machi, Japan