Kiichirou Oka

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Okayama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus and method for waste water treatment
- Patent number 6,461,511
- Issue date Oct 8, 2002
- Kuraray Co., Ltd.
- Yasuhiro Baba
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE