IT1218455B - Dispositivo a valvola sferica che evita il passaccio dell'aria nelle condotte
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Dispositivo a valvola sferica che evita il passaccio dell'aria nelle condotte
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Publication number
IT1218455B
IT1218455BIT42010/85AIT4201085AIT1218455BIT 1218455 BIT1218455 BIT 1218455BIT 42010/85 AIT42010/85 AIT 42010/85AIT 4201085 AIT4201085 AIT 4201085AIT 1218455 BIT1218455 BIT 1218455B
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Application filed by Raffaele PirrottafiledCriticalRaffaele Pirrotta
Priority to IT42010/85ApriorityCriticalpatent/IT1218455B/it
Publication of IT8542010A0publicationCriticalpatent/IT8542010A0/it
Application grantedgrantedCritical
Publication of IT1218455BpublicationCriticalpatent/IT1218455B/it