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Individual
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Individual
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Priority to ES116238ApriorityCriticalpatent/ES116238A1/es
Publication of ES116238A1publicationCriticalpatent/ES116238A1/es
ES116238A1929-12-281929-12-28Una viga de hormigón armado monolítica, con cavidades celulares y el procedimiento correspondiente para su fabricación.
ExpiredES116238A1
(es)