Toshiharu Oyabu

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Patents Grantslast 30 patents

Information Patent Grant
Water quality improver
- Patent number 6,350,378
- Issue date Feb 26, 2002
- I.B.E.Co., Ltd.
- Toshiharu Oyabu
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE