IT1092631BIT4172277AIT4172277AIT1092631BIT 1092631 BIT1092631 BIT 1092631BIT 4172277 AIT4172277 AIT 4172277AIT 4172277 AIT4172277 AIT 4172277AIT 1092631 BIT1092631 BIT 1092631B
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Application filed by Harpast Di Vettorello Emilio, Harpast Di Vettorello PietrofiledCriticalHarpast Di Vettorello Emilio
Priority to IT4172277ApriorityCriticalpatent/IT1092631B/it
Priority to US05/966,633prioritypatent/US4330124A/en
Priority to CA000317474Aprioritypatent/CA1120070A/en
Priority to CA000394877Aprioritypatent/CA1148576A/en
Application grantedgrantedCritical
Publication of IT1092631BpublicationCriticalpatent/IT1092631B/it