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 Irene Van DoorenfiledCriticalIrene Van Dooren
Priority to BE574207ApriorityCriticalpatent/BE574207A/fr
Publication of BE574207ApublicationCriticalpatent/BE574207A/fr