IEC 60856 Amd.1 Ed. 1.0 b:1991 Amendment 1 - Pre-recorded optical reflective videodisk system 'Laser vision' 50Hz/625 lines - PAL Amendment by International Electrotechnical Commission, 07/18/1991
IEC 60857 Amd.1 Ed. 1.0 b:1991 Amendment 1 - Pre-recorded optical reflective videodisk system 'Laser vision' 60Hz/525 lines - M/NTSC Amendment by International Electrotechnical Commission, 07/18/1991
IEC 60721-3-6 Amd.1 Ed. 1.0 b:1991 Amendment 1 - Classification of environmental conditions. Part 3: Classification of groups of environmental parameters and their severities. Ship environment Amendment by International Electrotechnical Commission, 07/03/1991
IEC 60268-12 Amd.1 Ed. 2.0 b:1991 Amendment 1 - Sound system equipment. Part 12: Application of connectors for broadcast and similar use Amendment by International Electrotechnical Commission, 05/28/1991
IEC 60268-2 Amd.1 Ed. 2.0 b:1991 Amendment 1 - Sound system equipment. Part 2: Explanation of general terms and calculation methods Amendment by International Electrotechnical Commission, 05/28/1991
IEC 60372 Amd.1 Ed. 3.0 b:1991 Amendment 1 - Locking devices for ball and socket couplings of string insulator units - Dimensions and tests Amendment by International Electrotechnical Commission, 09/30/1991
IEC 60268-11 Amd.2 Ed. 2.0 b:1991 Amendment 2 - Sound system equipment. Part 11: Application of connectors for the interconnection of sound system components Amendment by International Electrotechnical Commission, 10/15/1991
IEC 60918 Amd.1 Ed. 1.0 b:1992 Amendment 1 - PVC insulated ribbon cable with a pitch of 1.27 mm suitable for insulation displacement termination Amendment by International Electrotechnical Commission, 06/30/1992
IEC 61152 Ed. 1.0 b:1992 Dimensions of metal-sheathed thermometer elements standard by International Electrotechnical Commission, 04/30/1992
IEC 60384-15-3 Amd.1 Ed. 1.0 b:1992 Amendment 1 - Fixed capacitors for use in electronic equipment. Part 15: Blank detail specification: Fixed tantalum capacitors with solid electrolyte and porous anode. Assessment level E Amendment by International Electrotechnical Commission, 02/29/1992
IEC 60759 Amd.1 Ed. 1.0 b:1991 Amendment 1 - Standard test procedures for semiconductor X-ray energy spectrometers Amendment by International Electrotechnical Commission, 11/15/1991
IEC 60642 Amd.1 Ed. 1.0 b:1992 Amendment 1 - Piezoelectric ceramic resonators and resonator units for frequency control and selection - Chapter I: Standard values and conditions - Chapter II: Measuring and test conditions Amendment by International Electrotechnical Commission, 09/30/1992