1. IEC 60235-5:1972 Measurement of the electrical properties of microwave tubes. Part 5: Low-power oscillator klystrons

2. IEC 60235-6:1972 Measurement of the electrical properties of microwave tubes. Part 5: Low-power oscillator klystrons

3. IEC 60235-7:1972 Measurement of the electrical properties of microwave tubes. Part 7: Gas-filled microwave switching devices

4. IEC 60235-8:1972 Measurement of the electrical properties of microwave tubes. Part 8: Backward-wave oscillator tubes - '0' type

5. IEC 60235-8A:1974 Measurement of the electrical properties of microwave tubes. Part 8: Backward-wave oscillator tubes - `0` type

6. IEC 60235-9:1975 Measurement of the electrical properties of microwave tubes - Part 9: Crossed-field amplifier tubes

7. IEC 60236:1974 Methods for the designation of electrostatic deflecting electrodes of cathode-ray tubes

8. IEC 60238:2017 Edison screw lampholders

9. IEC 60239:2005 Graphite electrodes for electric arc furnaces - Dimensions and designation

10. IEC 60240-1:1992 Characteristics of electric infra-red emitters for industrial heating - Part 1: Short wave infra-red emitters