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 Ici LtdfiledCriticalIci Ltd
Priority to IT2416478ApriorityCriticalpatent/IT1095291B/en
Publication of IT7824164A0publicationCriticalpatent/IT7824164A0/en
Application grantedgrantedCritical
Publication of IT1095291BpublicationCriticalpatent/IT1095291B/en