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| многослойный заполнитель; слоистый заполнитель | |||
| sandwich core: 26 phrases in 6 subjects |
| Antennas and waveguides | 2 |
| Architecture | 1 |
| Astronautics | 2 |
| Aviation | 1 |
| Nanotechnology | 18 |
| Technology | 2 |
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