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Individual
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Individual
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Priority to ES102293ApriorityCriticalpatent/ES102293A1/es
Publication of ES102293A1publicationCriticalpatent/ES102293A1/es
ES102293A1927-04-061927-04-06Un sistema especial para la formación de la estructura, o entramados de las cubiertas y techos en edificaciones.
ExpiredES102293A1
(es)