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ES24038A1899-04-041899-04-04Un procedimiento de fabricación de ladrillos, tejas, etc., aprovechando para ello toda clase de pizarras.
ExpiredES24038A3
(es)
Un nuevo procedimiento industrial llamado "Salglaseado" para vidriar las superficies de los ladrillos, tejas y otros objetos arcillosos para edificaciones.
Un procedimiento de elaboración mecánica de mortero de cal o cemento con arena o carbonilla con cuyas combinaciones fabrica mampuestos, ladrillos, tejas y toda clase de piezas especiales de formas y dimensiones para las necesidades de la construcción.