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Priority to ITTO930137ApriorityCriticalpatent/IT1260897B/it
Publication of ITTO930137A0publicationCriticalpatent/ITTO930137A0/it
Publication of ITTO930137A1publicationCriticalpatent/ITTO930137A1/it
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Publication of IT1260897BpublicationCriticalpatent/IT1260897B/it
ITTO930137A1993-02-261993-02-26Sistema di visualizzazione di messaggi luminosi per comunicazioni visive, particolarmente mediante display luminosi.
IT1260897B
(it)