| |||
| two-bay-pipe system (Abwasser) | |||
| separate sewer; separate sewer system; separate system | |||
| separate sewerage system | |||
|
Trennsystem : 2 phrases, 2 sujets |
| Chimie | 1 |
| Transport | 1 |
| |||
| two-bay-pipe system (Abwasser) | |||
| separate sewer; separate sewer system; separate system | |||
| separate sewerage system | |||
|
Trennsystem : 2 phrases, 2 sujets |
| Chimie | 1 |
| Transport | 1 |