Junichi Okutani

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Hofu, JP

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Patents Grantslast 30 patents

Information Patent Grant
Draft device for a bubble column
- Patent number 4,327,042
- Issue date Apr 27, 1982
- Kyowa Hakko Kogyo Co., Ltd.
- Hiroshi Hagino
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE