Hiroaki Okajima

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Kamagaya, JP

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Patents Grantslast 30 patents

Information Patent Grant
Liquid purification apparatus
- Patent number 5,944,986
- Issue date Aug 31, 1999
- Hitachi, Ltd.
- Norihide Saho
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE