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Patents Grantslast 30 patents

Information Patent Grant
System for removing BOD and suspended solids through an activated s...
- Patent number 7,563,366
- Issue date Jul 21, 2009
- OTU SA S.A.
- Jyh-Wei Sun
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
System and method for treatment of acidic wastewater
- Patent number 7,438,817
- Issue date Oct 21, 2008
- OTU SA
- Lnsp Nagghappan
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

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