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.)
Filing date
Publication date
Priority claimed from US06/568,074external-prioritypatent/US4509964A/en
Application filed by Foxboro CofiledCriticalFoxboro Co
Publication of DK401085ApublicationCriticalpatent/DK401085A/da
Publication of DK401085D0publicationCriticalpatent/DK401085D0/da