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 Nippon Light Metal CofiledCriticalNippon Light Metal Co
Priority to IT19747/86ApriorityCriticalpatent/IT1204837B/it
Publication of IT8619747A0publicationCriticalpatent/IT8619747A0/it
Application grantedgrantedCritical
Publication of IT1204837BpublicationCriticalpatent/IT1204837B/it