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 Pierre CarpentierfiledCriticalPierre Carpentier
Priority to BE578022ApriorityCriticalpatent/BE578022A/fr
Publication of BE578022ApublicationCriticalpatent/BE578022A/fr