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Patents Grantslast 30 patents

Information Patent Grant
Method of treating low-concentration turbid water
- Patent number 5,055,200
- Issue date Oct 8, 1991
- Aoki Corporation
- Toshiyuki Miki
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Method of coagulating sludge
- Patent number 5,006,639
- Issue date Apr 9, 1991
- Aoki Corporation
- Show Tono
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE