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Publication of ES316009A1publicationCriticalpatent/ES316009A1/es
ES0316009A1964-11-261965-07-31Procedimiento con su correspondiente dispositivo para la ventilacion de aguas residuales de una balsa de ventilacion
ExpiredES316009A1
(es)
Misch-Aggregat zum Einbringen von beliebigen Zusatz-Stoffen als Sekundär-Komponenten in Flüssigkeiten bzw. stationäre Gewässer, insbesondere zur biologischen Reinigung von Wasser