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
Application filed by Berthelier LionelfiledCriticalBerthelier Lionel
Priority to IE190187ApriorityCriticalpatent/IE871901L/en
Publication of IE871901LpublicationCriticalpatent/IE871901L/en