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 Plessey OverseasfiledCriticalPlessey Overseas
Publication of IT8322428A0publicationCriticalpatent/IT8322428A0/it
Application grantedgrantedCritical
Publication of IT1164373BpublicationCriticalpatent/IT1164373B/it