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Priority to ES0301663ApriorityCriticalpatent/ES301663A1/en
Publication of ES301663A1publicationCriticalpatent/ES301663A1/en
Improvements in concrete blocks for wall construction, characterized in that the blocks are constituted by four resistant outer walls, two longitudinal and two transverse walls that form a rectangular profile and inside which there are two resistant longitudinal interior walls with also resistant union walls transverse, all these walls having both exterior and interior a roof or solid base common to all of them, by the conjunction of the four outer resistant walls that form a profile and inside which there are two strong longitudinal interior walls with strong transverse union walls, blind air chambers are formed which, through the distribution of walls, are staggered to prevent the transmission of phenomena. (Machine-translation by Google Translate, not legally binding)
ES0301663A1964-07-031964-07-03Improvements in concrete blocks for wall construction. (Machine-translation by Google Translate, not legally binding)
ExpiredES301663A1
(en)
Improvements in the prefabricated hollow block panels for the construction of building walls. (Machine-translation by Google Translate, not legally binding)