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Individual
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Individual
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Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices
(AREA)
Abstract
Gramófono manual portátil, caracterizado por estar constituído por un pequeño disco de ligero espesor y superficie pulida, que sirve de sostén a las grabaciones o discos gramofónicos, los cuales se proveen de una previa perforación para poder introducir en ella un estilete manual que determine su giro.