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Application filed by Valter Bin, Romano RomanofiledCriticalValter Bin
Priority to IT67494/88ApriorityCriticalpatent/IT1219336B/en
Publication of IT8867494A0publicationCriticalpatent/IT8867494A0/en
Application grantedgrantedCritical
Publication of IT1219336BpublicationCriticalpatent/IT1219336B/en