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Priority claimed from DD23114881Aexternal-prioritypatent/DD160576A3/de
Priority claimed from DD23501981Aexternal-prioritypatent/DD217960A3/de
Priority claimed from DD23822682Aexternal-prioritypatent/DD208451A3/de
Application filed by Berlin Chemie VebfiledCriticalBerlin Chemie Veb
Priority claimed from EP82105548Aexternal-prioritypatent/EP0068442B1/de
Application grantedgrantedCritical
Publication of ATE18332T1publicationCriticalpatent/ATE18332T1/de