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Application filed by Crucianelli MariofiledCriticalCrucianelli Mario
Priority to IT1984A00619ApriorityCriticalpatent/IT8400619A1/it
Publication of IT8400619A1publicationCriticalpatent/IT8400619A1/it
IT1984A00619A1984-08-311984-08-31Tastiera per fisarmoniche dalla meccanica estremamente semplificata, di facile ed economico montaggio
IT8400619A1
(it)