IT1046497B - Perfezionamento al dispositivo fotoelettrico di ausilio per ciechi
- Google Patents
Perfezionamento al dispositivo fotoelettrico di ausilio per ciechi
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Publication number
IT1046497B
IT1046497BIT6906673AIT6906673AIT1046497BIT 1046497 BIT1046497 BIT 1046497BIT 6906673 AIT6906673 AIT 6906673AIT 6906673 AIT6906673 AIT 6906673AIT 1046497 BIT1046497 BIT 1046497B
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Application filed by Zanetti Natale, Palagi FrancescofiledCriticalZanetti Natale
Priority to IT6906673ApriorityCriticalpatent/IT1046497B/it
Application grantedgrantedCritical
Publication of IT1046497BpublicationCriticalpatent/IT1046497B/it