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 Luciano BrugolafiledCriticalLuciano Brugola
Priority to BE640339ApriorityCriticalpatent/BE640339A/en
Publication of BE640339ApublicationCriticalpatent/BE640339A/en