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Priority claimed from DE19782851105external-prioritypatent/DE2851105A1/en
Priority claimed from DE19797917456external-prioritypatent/DE7917456U1/en
Application filed by Knut StachefiledCriticalKnut Stache
Priority claimed from EP79104573Aexternal-prioritypatent/EP0011798B1/en
Application grantedgrantedCritical
Publication of ATE2062T1publicationCriticalpatent/ATE2062T1/en
Mixing unit for introducing any additional substances as secondary components into liquids or stationary waters, in particular for the biological purification of water