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| |||
| image-viewing tube | |||
| image converter (applied to tubes for converting an infrared or ultraviolet image to a visible one) | |||
| image converter; image converter tube | |||
| image-intensifier tube | |||
| image-converter tube | |||
| Bildwandlerrohre: 3 phrases, 2 sujets |
| Militaire | 1 |
| Optique branche de la physique | 2 |