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 Serge G SchoubfiledCriticalSerge G Schoub
Priority to BE607870ApriorityCriticalpatent/BE607870A/fr
Publication of BE607870ApublicationCriticalpatent/BE607870A/fr