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Priority to ES21487ApriorityCriticalpatent/ES21487A2/es
Publication of ES21487A2publicationCriticalpatent/ES21487A2/es
ES21487A1897-09-171897-09-17Un aparato automático para la producción de gas acetileno aplicable al alumbrado doméstico e industrial.
ExpiredES21487A2
(es)