--> keys <-- idfactura_detalle : 12378||idfactura : 4337||--> fields <-- descripcion (new)  : ELECTRODOS 3M||cantidad (new)  : 100||precio_unitario (new)  : 19.50||subtotal (new)  : 1950.00||porcentaje_iva (new)  : 0||iva (new)  : 0||porcentaje_iibb (new)  : 0||iibb (new)  : 0||total (new)  : 1950.00||art_id (new)  : ||ctacte (new)  : 