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Coutex S A
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Coutex S A
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Priority to ES366582ApriorityCriticalpatent/ES366582A3/es
Publication of ES366582A3publicationCriticalpatent/ES366582A3/es
Un procedimiento y su correspondiente dispositivo para in- corporar y hacer circular oxigeno o un gas oxigenado en un liquido existente en el tanque biologico de una instalacion depuradora de aguas residuales.