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 Stanesco DanfiledCriticalStanesco Dan
Priority to BE584849ApriorityCriticalpatent/BE584849A/fr
Publication of BE584849ApublicationCriticalpatent/BE584849A/fr