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 F B P Di Alfieri Marisa & C SnfiledCriticalF B P Di Alfieri Marisa & C Sn
Priority to IT85613/87ApriorityCriticalpatent/IT1220155B/it
Publication of IT8785613A0publicationCriticalpatent/IT8785613A0/it
Application grantedgrantedCritical
Publication of IT1220155BpublicationCriticalpatent/IT1220155B/it