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Individual
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Individual
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Priority to ES174476ApriorityCriticalpatent/ES174476A1/es
Publication of ES174476A1publicationCriticalpatent/ES174476A1/es
ES174476A1946-07-191946-07-19Un sistema de encofrado para la construcción de techos de hormigón con vigas o nervaduras prefabricadas
ExpiredES174476A1
(es)