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Raynard Messerer Luis
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Raynard Messerer Luis
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Application filed by Raynard Messerer LuisfiledCriticalRaynard Messerer Luis
Priority to ES46117ApriorityCriticalpatent/ES46117A3/es
Publication of ES46117A3publicationCriticalpatent/ES46117A3/es
Un mecanismo aplicable a los aparatos neumáticos para tocar el piano, con objeto de hacer destacar cantos o melodías determinados en las piezas que se ejecutan.