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Priority claimed from US06/361,681external-prioritypatent/US4399793A/en
Priority claimed from US06/361,680external-prioritypatent/US4393847A/en
Application filed by Deere & CofiledCriticalDeere & Co
Priority claimed from EP19830102732external-prioritypatent/EP0095026B1/de
Application grantedgrantedCritical
Publication of ATE14037T1publicationCriticalpatent/ATE14037T1/de