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CERAMICA IND DE SAN CLAUDIO S A
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CERAMICA IND DE SAN CLAUDIO S A
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Application filed by CERAMICA IND DE SAN CLAUDIO S AfiledCriticalCERAMICA IND DE SAN CLAUDIO S A
Priority to ES0043479UpriorityCriticalpatent/ES43479Y/es
Publication of ES43479UpublicationCriticalpatent/ES43479U/es
Application grantedgrantedCritical
Publication of ES43479YpublicationCriticalpatent/ES43479Y/es
Tubo para la conducción de humos, caracterizado por que está constituido por una pieza de barro cocido o cemento formada por una parte interior cilíndrica, que por aletas o salientes se une a otra exterior poligonal, usualmente cuadrada con las esquinas en chaflán; quedando entre el tubo propiamente dicho y esa envuelta, espacios huecos, que constituyen cámaras de aire o alojamientos de varillas de armadura con cemento.
ES0043479U1954-08-121954-08-12Tubo para la conducción de humos
ExpiredES43479Y
(es)