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Individual
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Individual
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Priority to ES0275432ApriorityCriticalpatent/ES275432A1/es
Publication of ES275432A1publicationCriticalpatent/ES275432A1/es
ES0275432A1962-03-131962-03-13Mejoras introducidas en la construcciën de forjados de pisos y paredes de edificios por medio de paneles prefabricados
ExpiredES275432A1
(es)