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Katzfahr Feinzentrierungs | Photozelle
| Photozelle | |
| gen. | selenium cell; photo cell; photoelectric receptor |
| el. | photosensitive dot; photoelectric tube; photoemissive cell; photosensitive tube; phototube |
| energ.ind. | photoelectric cell |
| IT | photosensitive cell |
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Katzfahr-Feinzentrierungs-Photozelle : 1 phrase in 1 subject |
| Electronics | 1 |