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Individual
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Individual
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Priority to ES169124ApriorityCriticalpatent/ES169124A1/es
Publication of ES169124A1publicationCriticalpatent/ES169124A1/es
ES169124A1945-03-051945-03-05Procedimiento de fabricación de bovedillas aplicables en la construcción de suelos nervados de hormogón armado
ExpiredES169124A1
(es)