Toshio Ikeuchi

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of in-pipe activation of running water and in-pipe activator...
- Patent number 7,229,561
- Issue date Jun 12, 2007
- Hiroyoshi Hamanaka
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE