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Priority claimed from DE19813114576external-prioritypatent/DE3114576A1/de
Application filed by Deere & CompanyfiledCriticalDeere & Company
Priority claimed from EP81105006Aexternal-prioritypatent/EP0043529B1/de
Application grantedgrantedCritical
Publication of ATE11385T1publicationCriticalpatent/ATE11385T1/de