| |||
| akustische Beeinflussung der Umwelt | |||
|
noise pollution of the environment : 2 phrases in 2 subjects |
| General | 1 |
| Health care | 1 |
| |||
| akustische Beeinflussung der Umwelt | |||
|
noise pollution of the environment : 2 phrases in 2 subjects |
| General | 1 |
| Health care | 1 |