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 FR7911513Aexternal-prioritypatent/FR2456231A1/fr
Application filed by Benaroya HenryfiledCriticalBenaroya Henry
Publication of DK2581ApublicationCriticalpatent/DK2581A/da