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IEC/TR 63139 (2018-10) IEC TR 63139:2018 Explanation of the mathematical addition of working voltages, insulation between circuits and use of PELV in TC 34 standards
IEC 60050-891 AMD 1 (2018-10) IEC 60050-891:1998/AMD1:2018 Amendment 1 - International Electrotechnical Vocabulary (IEV) - Part 891: Electrobiology
IEC 60050-801 AMD 1 (2018-10) IEC 60050-801:1994/AMD1:2018 Amendment 1 - International Electrotechnical Vocabulary (IEV) - Part 801: Acoustics and electroacoustics
IEC 60050-161 AMD 8 (2018-10) IEC 60050-161:1990/AMD8:2018 Amendment 8 - International Electrotechnical Vocabulary (IEV) - Part 161: Electromagnetic compatibility
IEC 60050-702 AMD 4 (2018-10) IEC 60050-702:1992/AMD4:2018 Amendment 4 - International Electrotechnical Vocabulary (IEV) - Part 702: Oscillations, signals and related devices
IEC 60050-806 AMD 2 (2018-10) IEC 60050-806:1996/AMD2:2018 Amendment 2 - International Electrotechnical Vocabulary (IEV) - Part 806: Recording and reproduction of audio and video
IEC 60050-808 AMD 1 (2018-10) IEC 60050-808:2002/AMD1:2018 Amendment 1 - International Electrotechnical Vocabulary (IEV) - Part 808: Video cameras for non-broadcasting
IEC 60050-723 AMD 4 (2018-10) IEC 60050-723:1997/AMD4:2018 Amendment 4 - International Electrotechnical Vocabulary (IEV) - Part 723: Broadcasting: Sound, television, data
IEC 60050-721 AMD 3 (2018-10) IEC 60050-721:1991/AMD3:2018 Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 721: Telegraphy, facsimile and data communication
IEC 60050-714 AMD 3 (2018-10) IEC 60050-714:1992/AMD3:2018 Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 714: Switching and signalling in telecommunications
IEC 60050-704 AMD 3 (2018-10) IEC 60050-704:1993/AMD3:2018 Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 704: Transmission
IEC 60050-713 AMD 3 (2018-10) IEC 60050-713:1998/AMD3:2018 Amendment 3 - International Electrotechnical Vocabulary (IEV) - Part 713: Radiocommunications: transmitters, receivers, networks and operation