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| Си-Бим (многоканальная система измерения глубин) | |||
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Sea -Beam : 18 phrases in 6 subjects |
| General | 2 |
| Makarov | 2 |
| Military | 1 |
| Nautical | 9 |
| Navigation | 3 |
| Shipbuilding | 1 |
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