IEC 61053-1 Ed. 1.0 b:1991 Helical-scan video tape cassette system using 12,65 mm (0,5 in)magnetic tape on type Beta format - FM audio recording - Part 1:625 line-50 field systems standard by International Electrotechnical Commission, 03/13/1991
IEC 61020-5-1 Ed. 1.0 b:1991 [ Withdrawn ] Electromechanical switches for use in electronic equipment - Part 5: Sectional specification for pushbutton switches - Section 1: Blank detail specification standard by International Electrotechnical Commission, 03/11/1991
IEC 61020-4 Ed. 1.0 b:1991 [ Withdrawn ] Electromechanical switches for use in electronic equipement - Part 4: Sectional specification for lever (toggle) switches standard by International Electrotechnical Commission, 03/11/1991
IEC 61020-2-1 Ed. 1.0 b:1991 [ Withdrawn ] Electromechanical switches for use in electronic equipment - Part 2: Sectional specification for rotary switches - Section 1: Blank detail specification standard by International Electrotechnical Commission, 03/05/1991
IEC 61020-3-1 Ed. 1.0 b:1991 [ Withdrawn ] Electromechanical switches for use in electronic equipment - Part 3: Sectional specification for in-line package switches - Section 1: Blank detail specification standard by International Electrotechnical Commission, 03/05/1991
IEC 61020-6-1 Ed. 1.0 b:1991 [ Withdrawn ] Electromechanical switches for use in electronic equipment - Part 6: Sectional specification for sensitive switches - Section 1: Blank detail specification standard by International Electrotechnical Commission, 03/05/1991
IEC 61020-6 Ed. 1.0 b:1991 [ Withdrawn ] Electromechanical switches for use in electronic equipment - Part 6: Sectional specification for sensitive switches standard by International Electrotechnical Commission, 03/05/1991
IEC 61020-4-1 Ed. 1.0 b:1991 [ Withdrawn ] Electromechanical switches for use in electronic equipment - Part 4: Sectional specification for lever (toggle) switches - Section 1: Blank detail specification standard by International Electrotechnical Commission, 03/05/1991
IEC 60068-3-3 Ed. 1.0 b:1991 Environmental testing - Part 3-3: Guidance - Seismic test methods for equipments standard by International Electrotechnical Commission, 02/28/1991
IEC 60396 Ed. 2.0 b:1991 [ Withdrawn ] Test methods for induction chennel furnaces standard by International Electrotechnical Commission, 02/15/1991
IEC 60994 Ed. 1.0 b:1991 Guide for field measurement of vibrations and pulsations in hydraulic machines (turbines, storage pumps and pump-turbines) standard by International Electrotechnical Commission, 02/15/1991
IEC 60034-16-1 Ed. 1.0 b:1991 [ Withdrawn ] Rotating electrical machines - Part 16: Excitation systems for synchronous machines - Chapter 1: Definitions standard by International Electrotechnical Commission, 02/15/1991