Revised
                WITHDRAWN
                                    IEC 60081:1961 ED2
                            
                    WITHDRAWN
                    IEC 60081:1974 ED3
                    99.60
                                        Withdrawal effective
                    Nov 19, 2016
                
                    WITHDRAWN
                                            IEC 60081:1974/AMD1:1976 ED3
                                    
                    WITHDRAWN
                                            IEC 60081:1974/AMD2:1980 ED3
                                    
                WITHDRAWN
                                    IEC 60081:1984 ED4