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 Oletta SafiledCriticalOletta Sa
Priority to BE604546ApriorityCriticalpatent/BE604546A/fr
Publication of BE604546ApublicationCriticalpatent/BE604546A/fr
Priority to FR899013Aprioritypatent/FR1328589A/fr
Priority to GB21287/62Aprioritypatent/GB1012318A/en