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Priority to ES1978233381UpriorityCriticalpatent/ES233381Y/es
Publication of ES233381UpublicationCriticalpatent/ES233381U/es
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Publication of ES233381YpublicationCriticalpatent/ES233381Y/es
ES1978233381U1978-01-181978-01-18Una disposicion de piezas modulares de chapa ondulada para la construccion de estructuras diversas.
ExpiredES233381Y
(es)