Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Heinrich Koppers GmbH
Original Assignee
Heinrich Koppers GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Heinrich Koppers GmbHfiledCriticalHeinrich Koppers GmbH
Publication of ES302702A1publicationCriticalpatent/ES302702A1/es
ES0302702A1963-07-311964-07-31Procedimiento para el funcionamiento de una instalacion para la depuracion biologica de aguas residuales
ExpiredES302702A1
(es)