--> keys <-- idfactura_detalle : 15775||idfactura : 5974||--> fields <-- descripcion (new)  : VENDA ELASTIZADA X4mts||cantidad (new)  : 1||precio_unitario (new)  : 661.15||subtotal (new)  : 661.16||porcentaje_iva (new)  : 0.210||iva (new)  : 138.84||porcentaje_iibb (new)  : 0||iibb (new)  : 0||total (new)  : 800.00||art_id (new)  : ||ctacte (new)  : 