--> keys <-- idfactura_detalle : 17394||idfactura : 6767||--> fields <-- descripcion (new)  : ROLLOS ELECTROCARDIOGRAFO 80 X 20||cantidad (new)  : 20||precio_unitario (new)  : 370.00||subtotal (new)  : 7400.00||porcentaje_iva (new)  : 0||iva (new)  : 0||porcentaje_iibb (new)  : 0||iibb (new)  : 0||total (new)  : 7400.00||art_id (new)  : ||ctacte (new)  : 