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 Nieder LuisfiledCriticalNieder Luis
Priority to IT20420/78ApriorityCriticalpatent/IT1093833B/it
Publication of IT7820420A0publicationCriticalpatent/IT7820420A0/it
Application grantedgrantedCritical
Publication of IT1093833BpublicationCriticalpatent/IT1093833B/it