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Priority claimed from DE19833306996external-prioritypatent/DE3306996A1/en
Priority claimed from DE19833308045external-prioritypatent/DE3308045A1/en
Application filed by Shell Agrar Gmbh & Co KgfiledCriticalShell Agrar Gmbh & Co Kg
Priority claimed from EP84102012Aexternal-prioritypatent/EP0120321B1/en
Application grantedgrantedCritical
Publication of ATE37716T1publicationCriticalpatent/ATE37716T1/en