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Priority claimed from DE19873722041external-prioritypatent/DE3722041A1/de
Application filed by Deere & CofiledCriticalDeere & Co
Publication of FI883150A0publicationCriticalpatent/FI883150A0/fi
Publication of FI883150ApublicationCriticalpatent/FI883150A/fi
Publication of FI92352BpublicationCriticalpatent/FI92352B/fi
Application grantedgrantedCritical
Publication of FI92352CpublicationCriticalpatent/FI92352C/fi