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Hampton Roads Sanitation District of the Commonwealth of Virginia
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Virginia Beach, VA, US
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Patent Grant
High-rate biological waste water treatment process using activated...
Patent number
4,867,883
Issue date
Sep 19, 1989
Hampton Roads Sanitation District of the Commonwealth of Virginia
Glen T. Daigger
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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