IT1105976B - Perfezionamenti nelle tastiere mute o per strumenti musicali diversidal pianoforte
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Perfezionamenti nelle tastiere mute o per strumenti musicali diversidal pianoforte
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IT1105976B
IT1105976BIT51147/78AIT5114778AIT1105976BIT 1105976 BIT1105976 BIT 1105976BIT 51147/78 AIT51147/78 AIT 51147/78AIT 5114778 AIT5114778 AIT 5114778AIT 1105976 BIT1105976 BIT 1105976B
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Application filed by Ta R Di Ragni Laurino E FillifiledCriticalTa R Di Ragni Laurino E Filli
Priority to IT51147/78ApriorityCriticalpatent/IT1105976B/it
Publication of IT7851147A0publicationCriticalpatent/IT7851147A0/it
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Publication of IT1105976BpublicationCriticalpatent/IT1105976B/it