IT1096795B - Tecnigrafo,atto a consentire l'esecuzione di disegni in prospettiva
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Tecnigrafo,atto a consentire l'esecuzione di disegni in prospettiva
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Publication number
IT1096795B
IT1096795BIT24838/78AIT2483878AIT1096795BIT 1096795 BIT1096795 BIT 1096795BIT 24838/78 AIT24838/78 AIT 24838/78AIT 2483878 AIT2483878 AIT 2483878AIT 1096795 BIT1096795 BIT 1096795B
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Priority to IT24838/78ApriorityCriticalpatent/IT1096795B/it
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Publication of IT1096795BpublicationCriticalpatent/IT1096795B/it