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Individual
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Individual
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Priority to ES21832ApriorityCriticalpatent/ES21832A1/es
Publication of ES21832A1publicationCriticalpatent/ES21832A1/es
ES21832A1897-12-011897-12-01Perfeccionamientos introducidos en los procedimientos para la fabricación de las materias y manguitos incandescentes.
ExpiredES21832A1
(es)