Shojiro Kido

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Yokohama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Aerator and aerobic biological treatment process using same
- Patent number 4,690,764
- Issue date Sep 1, 1987
- Mitsubishi Rayon Engineering Co., Ltd.
- Munehiro Okumura
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE