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 Paul BlavierfiledCriticalPaul Blavier
Priority to BE589009ApriorityCriticalpatent/BE589009A/en
Publication of BE589009ApublicationCriticalpatent/BE589009A/en