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Application filed by Barbier OsvaldofiledCriticalBarbier Osvaldo
Priority to IT48931/79ApriorityCriticalpatent/IT1163992B/it
Publication of IT7948931A0publicationCriticalpatent/IT7948931A0/it
Application grantedgrantedCritical
Publication of IT1163992BpublicationCriticalpatent/IT1163992B/it