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| Entstehungsbedingungen f | |||
| условия возникновения: 10 phrases in 9 subjects |
| Astronomy | 1 |
| Chemistry | 1 |
| Electronics | 1 |
| Law | 2 |
| Management | 1 |
| Physics | 1 |
| Shipbuilding | 1 |
| Technology | 1 |
| Water supply | 1 |
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