Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Priority claimed from US05/625,736external-prioritypatent/US4024920A/en
Application filed by Deere & CofiledCriticalDeere & Co
Priority to DK111979ApriorityCriticalpatent/DK111979A/da
Publication of DK111979ApublicationCriticalpatent/DK111979A/da