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 Libera & Marengon SpafiledCriticalLibera & Marengon Spa
Priority to IT19978/88ApriorityCriticalpatent/IT1217370B/it
Publication of IT8819978A0publicationCriticalpatent/IT8819978A0/it
Application grantedgrantedCritical
Publication of IT1217370BpublicationCriticalpatent/IT1217370B/it