IT1130979B - Apparecchio didattico,in particolare per l'insegnamento di lingue
- Google Patents
Apparecchio didattico,in particolare per l'insegnamento di lingue
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Publication number
IT1130979B
IT1130979BIT20708/80AIT2070880AIT1130979BIT 1130979 BIT1130979 BIT 1130979BIT 20708/80 AIT20708/80 AIT 20708/80AIT 2070880 AIT2070880 AIT 2070880AIT 1130979 BIT1130979 BIT 1130979B
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Application filed by Ernesto CoppacchiolifiledCriticalErnesto Coppacchioli
Priority to IT20708/80ApriorityCriticalpatent/IT1130979B/it
Publication of IT8020708A0publicationCriticalpatent/IT8020708A0/it
Application grantedgrantedCritical
Publication of IT1130979BpublicationCriticalpatent/IT1130979B/it