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Estructura metálica perfeccionada para cubiertas., que se caracteriza porque las cerchas están formadas por dos elementos unidos en forma angular que están constituidos por dos largueros formados por perfiles tubulares de sección rectangular dispuestos en posiciones sensiblemente paralelas y unidos entre si mediante tramos de elementos también tubulares y, rectangulares dispuestos trianguladamente.
ES1968140960U1968-08-141968-08-14Estructura metalica perfeccionada para cubiertas.
ExpiredES140960Y
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Fremgangsmåde til fastgørelse af endepartiet på et langstrakt, hult profillegeme i et andet hult profillegeme, og profillegeme til udøvelse af fremgangsmåden.