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 Scobel Pour L Applic Des MatiefiledCriticalScobel Pour L Applic Des Matie
Priority to BE591671ApriorityCriticalpatent/BE591671A/en
Publication of BE591671ApublicationCriticalpatent/BE591671A/en