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LANGERBEIN WILHELM
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LANGERBEIN WILHELM
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Publication of ES205008A1publicationCriticalpatent/ES205008A1/es
Construcción ulterior para espacios de minas galerías de agua tuneles etc. caracterizada por el hecho de que los bastidores de construcción ulterior consisten de secciones de tubos cerrados o practicamente cerrados y las piezas que unen éstas de casquillo de tubo.
ES0205008A1951-08-161952-08-14UN SISTEMA DE ENTIBADO PARA GALERiAS DE MINAS, DE AGUAS, TuNELES Y SIMILARES.
ExpiredES205008A1
(es)