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Application filed by Toshiba Ceramics CofiledCriticalToshiba Ceramics Co
Priority to IT20415/85ApriorityCriticalpatent/IT1184755B/it
Publication of IT8520415A0publicationCriticalpatent/IT8520415A0/it
Application grantedgrantedCritical
Publication of IT1184755BpublicationCriticalpatent/IT1184755B/it