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Individual
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Individual
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Priority to ES59224ApriorityCriticalpatent/ES59224A1/es
Publication of ES59224A1publicationCriticalpatent/ES59224A1/es
ES59224A1914-10-201914-10-20Mejoras en las cajas de resonancia o sus equivalentes, de las máquinas parlantes, fonógrafos y otras máquinas análogas.
ExpiredES59224A1
(es)