TREA

Youji Hayakawa

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  • Yamagata, JP
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  • Information Patent Grant

    Water battery device
    • Patent number 8,540,855
    • Issue date Sep 24, 2013
    • Youji Hayakawa
    • Youji Hayakawa
    • C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

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