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 Ile De FrancefiledCriticalIle De France
Priority to IE87867ApriorityCriticalpatent/IE31249L/en
Publication of IE31249LpublicationCriticalpatent/IE31249L/en