Revised
                WITHDRAWN
                                    IEC 60027-1:1971 ED5
                            
                    WITHDRAWN
                    IEC 60027-1:1971/AMD1:1974 ED5
                    99.60
                                        Withdrawal effective
                    19 nën 2016
                
                PUBLISHED
                                    IEC 60027-1:1992 ED6