 |
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| Wellenzahnradgetriebe m | |||
| harmonic: 27 phrases in 14 subjects |
| Coal | 1 |
| Communications | 3 |
| Earth sciences | 1 |
| Electric traction | 1 |
| Electronics | 2 |
| General | 4 |
| Information technology | 1 |
| Life sciences | 1 |
| Mathematics | 2 |
| Mechanic engineering | 1 |
| Physics | 1 |
| Scientific | 2 |
| Technology | 6 |
| Transport | 1 |