1. IEC 60231G:1977 Supplement G - General principles of nuclear reactor instrumentation - Liquid-metal cooled fast reactors

2. IEC 60233:1974/AMD1:1988 Amendment 1 - Tests on hollow insulators for use in electrical equipment

3. IEC 60235-1:1972 Measurement of the electrical properties of microwave tubes. Part 1: Terminology

4. IEC 60235-1A:1975 Measurement of the electrical properties of microwave tubes - Part 1: Terminology - First supplement

5. IEC 60235-2:1972 Measurement of the electrical properties of microwave tubes - Part 2: General measurements

6. IEC 60235-2A:1974 Measurement of the electrical properties of microwave tubes - Part 2: General measurements - Chapter V Methods of measuring parasitic noise

7. IEC 60235-2B:1975 Supplement B - Measurement of the electrical properties of microwave tubes - Part 2: General measurements

8. IEC 60235-2C:1976 Supplement C - Measurement of the electrical properties of microwave tubes - Part 2: General measurements

9. IEC 60235-2D:1976 Supplement D - Measurement of the electrical properties of microwave tubes - Part 2: General measurements

10. IEC 60235-2E:1976 Supplement E - Measurement of the electrical properties of microwave tubes - Part 2: General measurements - Methods of measuring the effects of non-linearity