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Friedrich V D Ohe
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Friedrich V D Ohe
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Priority to ES51981ApriorityCriticalpatent/ES51981A1/es
Publication of ES51981A1publicationCriticalpatent/ES51981A1/es
Un procedimiento de adaptación o aplicación de los elementos que constituyen el piano al gramófono o fonógrafo y demás aparatos semejantes, y los elementos de éstos a aquellos.