Ryubi Company Ltd.

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Kawasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Waste-water filtration and purification device for fish cultivation
- Patent number 6,123,841
- Issue date Sep 26, 2000
- Ryubi Company Ltd.
- Fumihiro Gotoh
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE