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Furnace Housings, Linings, Walls, And Ceilings
(AREA)
Abstract
Una rasqueta perfeccionada, caracterizada por poseer un cilindro ranurado de refractario en el que se aloja una resistencia eléctrica, cuyo cable de alimentación pasa a través de un tubo acodado y el mango que es hueco, estando envuelto dicho cilindro de refractario por una caja que termina en un filo por su parte superior.