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| гелиограф (в разн. знач.); гелиостат | |||
| фотогелиограф | |||
| гелиограф | |||
| светокопировальный аппарат | |||
| héliographe: 7 phrases in 3 subjects |
| Astronautics | 1 |
| Meteorology | 5 |
| Polygraphy | 1 |
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