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Markus Schroeder
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Aachen, DE
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Patent Grant
Sewage delivery for an activated sludge process
Patent number
5,308,490
Issue date
May 3, 1994
Forschungzentrum Juelich GmbH
Markus Schroeder
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE