IEC 60870-5-1 Ed. 1.0 b:1990 Telecontrol equipment and systems. Part 5: Transmission protocols - Section One: Transmission frame formats standard by International Electrotechnical Commission, 02/01/1990
IEC 60050-161 Ed. 1.0 t:1990 International Electrotechnical Vocabulary. Chapter 161: Electromagnetic compatibility standard by International Electrotechnical Commission, 08/01/1990
IEC 60529 Ed. 2.0 b:1989 Degrees of protection provided by enclosures (IP Code) standard by International Electrotechnical Commission, 11/30/1989
IEC 60060-1 Ed. 2.0 b:1989 [ Withdrawn ] High-voltage test techniques. Part 1: General definitions and test requirements standard by International Electrotechnical Commission, 11/15/1989
IEC 60353 Ed. 2.0 b:1989 Line traps for a.c. power systems standard by International Electrotechnical Commission, 11/15/1989
IEC 60050-421 Ed. 1.0 t:1990 International Electrotechnical Vocabulary. Chapter 421: Power transformers and reactors standard by International Electrotechnical Commission, 10/15/1990
IEC 60050-466 Ed. 1.0 t:1990 International Electrotechnical Vocabulary. Chapter 466: Overhead lines standard by International Electrotechnical Commission, 10/15/1990
IEC 60268-10 Ed. 2.0 b:1991 Sound system equipment - Part 10: Peak programme level meters standard by International Electrotechnical Commission, 03/13/1991
IEC 60603-8 Ed. 1.0 b:1991 Connectors for frequencies below 3 MHz for use with printed boards. Part 8: Two-part connectors for printed boards, for basic grid of 2.54 mm (0.1 in), with square male contacts of 0.63 mm x 0.63 mm standard by International Electrotechnical Commission, 01/20/1991
IEC 60748-11 Ed. 1.0 b:1990 Semiconductor devices - Integrated circuits - Part 11: Sectional specification for semiconductor integrated circuits excluding hybrid circuits standard by International Electrotechnical Commission, 12/20/1990
IEC 61041-1 Ed. 1.0 b:1990 Non-broadcast video tape recorders. Methods of measurement - Part1: General, video (NTSC/PAL) and audio (longitudinal)characteristics standard by International Electrotechnical Commission, 11/15/1990
IEC 61050 Ed. 1.0 b:1991 Transformers for tubular discharge lamps having a no-load output voltage exceeding 1000 V (generally called neon-transformers). General and safety requirements standard by International Electrotechnical Commission, 03/19/1991