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Priority claimed from DE19843435895external-prioritypatent/DE3435895A1/en
Priority claimed from DE19853525625external-prioritypatent/DE3525625A1/en
Application filed by Shell Agrar Gmbh & Co KgfiledCriticalShell Agrar Gmbh & Co Kg
Priority claimed from EP85111776Aexternal-prioritypatent/EP0176868B1/en
Application grantedgrantedCritical
Publication of ATE42093T1publicationCriticalpatent/ATE42093T1/en