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Application filed by C Gnecchi & Co S P A IngfiledCriticalC Gnecchi & Co S P A Ing
Priority to IT20548/78ApriorityCriticalpatent/IT1092794B/en
Publication of IT7820548A0publicationCriticalpatent/IT7820548A0/en
Application grantedgrantedCritical
Publication of IT1092794BpublicationCriticalpatent/IT1092794B/en