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 Joseph GlorieuxfiledCriticalJoseph Glorieux
Priority to BE619405ApriorityCriticalpatent/BE619405A/fr
Publication of BE619405ApublicationCriticalpatent/BE619405A/fr