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 Pierrel SpafiledCriticalPierrel Spa
Priority to IT22414/85ApriorityCriticalpatent/IT1200770B/it
Publication of IT8522414A0publicationCriticalpatent/IT8522414A0/it
Application grantedgrantedCritical
Publication of IT1200770BpublicationCriticalpatent/IT1200770B/it