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Application filed by Zaporozh Kt I Selskokhoz MashfiledCriticalZaporozh Kt I Selskokhoz Mash
Publication of DD254293A3publicationCriticalpatent/DD254293A3/xx
DD26271584A1983-06-031984-05-08Vorrichtung zur automatischen steuerung der entfernung des schlamms (sinkstoffs) aus dem klaerbecken (absetzbecken)
DD254293A3
(de)