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Dispositivo electro-térmico para la calefacción de la cama y partes locales del cuerpo, caracterizado por constar de dos piezas de cerámica, refractaria, acumuladoras del calor, en las que una exterior de forma triangular lleva en su interior otra cilíndrica portadora de la resistencia productora del calor, así como de las bornas de enchufe.
ES0037371U1953-07-271953-07-27Dispositivo electrotérmico para la calefacción de la cama o partes locales del cuerpo
ExpiredES37371Y
(es)