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MAURY Y DUMAS
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MAURY Y DUMAS
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Priority to ES1862002501ApriorityCriticalpatent/ES2501H1/es
Publication of ES2501H1publicationCriticalpatent/ES2501H1/es
ES1862002501A1862-07-031862-07-03Sistema de regulador y moderador que ha inventado aplicable a los teclados de los pianos y demas instrumentos de teclas
ExpiredES2501H1
(es)