Kosaku Otsubo

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of treatment of waste water containing sulfur compounds
- Patent number 4,154,673
- Issue date May 15, 1979
- Hitachi, Ltd.
- Kouji Otani
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE