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Application filed by Breccia RiccardofiledCriticalBreccia Riccardo
Priority to IT54386UpriorityCriticalpatent/IT8600543V0/it
Publication of IT8600543V0publicationCriticalpatent/IT8600543V0/it
IT54386U1986-04-011986-04-01Fondo a soniere idonee a farsuonare con nr.60 voci i bassi delle fisarmoniche in modo melodico ed armonico
IT8600543V0
(it)