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Application filed by Riva Giuseppe Vismara UmbertofiledCriticalRiva Giuseppe Vismara Umberto
Priority to IT02913/86ApriorityCriticalpatent/IT1191339B/it
Publication of IT8602913A0publicationCriticalpatent/IT8602913A0/it
Application grantedgrantedCritical
Publication of IT1191339BpublicationCriticalpatent/IT1191339B/it