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 Lucie Catherine HaseldonckxfiledCriticalLucie Catherine Haseldonckx
Priority to BE653507ApriorityCriticalpatent/BE653507A/fr
Publication of BE653507ApublicationCriticalpatent/BE653507A/fr