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trechtervormige | instroomopening
| instroomopening | |
| transp. construct. | entrada |
| trechtervormige: 11 phrases in 7 subjects |
| Chemistry | 1 |
| Life sciences | 1 |
| Materials science | 5 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Natural sciences | 1 |
| Transport | 1 |