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Priority claimed from US06/529,429external-prioritypatent/US4505094A/en
Priority claimed from US06/529,428external-prioritypatent/US4528804A/en
Application filed by Deere & CofiledCriticalDeere & Co
Priority claimed from EP19840110369external-prioritypatent/EP0136558B1/de
Application grantedgrantedCritical
Publication of ATE28382T1publicationCriticalpatent/ATE28382T1/de