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 Louis Decoux, Daniel LietarfiledCriticalLouis Decoux
Priority to BE610899ApriorityCriticalpatent/BE610899A/fr
Publication of BE610899ApublicationCriticalpatent/BE610899A/fr