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Mecanismo para aserrar orificios circulares de diámetro variable, caracterizado por tres piezas esenciales: el cuerpo portasierras, la hoja de sierra circular y un eje que sobresale por ambos extremos del mecanismo, el cual por el extremo opuesto a la sierra se mecaniza de forma que sea posible acoplarlo a un normal portabrocas, estando fijado al portasierras por un tornillo prisionero.
ES0053521U1956-03-271956-03-27Mecanismo para aserrar orificios circulares de diámetro variable
PendingES53521U
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