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 Chinad LtdfiledCriticalChinad Ltd
Priority to IT21199/82ApriorityCriticalpatent/IT1151164B/en
Publication of IT8221199A0publicationCriticalpatent/IT8221199A0/en
Application grantedgrantedCritical
Publication of IT1151164BpublicationCriticalpatent/IT1151164B/en