| |||
| Dreikomponentensystem n; Dreistoffsystem n | |||
|
three- component system : 1 phrase in 1 subject |
| Optics branch of physics | 1 |
| |||
| Dreikomponentensystem n; Dreistoffsystem n | |||
|
three- component system : 1 phrase in 1 subject |
| Optics branch of physics | 1 |