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| mehrschichtiger Einbau; stufenweiser Ausbau | |||
| stage construction: 16 phrases in 9 subjects |
| Communications | 1 |
| Construction | 4 |
| Electronics | 1 |
| General | 3 |
| Medical appliances | 2 |
| Optics branch of physics | 1 |
| Statistics | 2 |
| Technology | 1 |
| Transport | 1 |
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