| HS-Bau Gesellschaft für ökologisches Bauen mbH | ||||||
| Bergstedter Markt 1 22395 Hamburg 040 5363634 | Eco-Friendly Construction Hamburgcity map | call for free enter homepage | ||||
| Ökologisches Bauen und Wohnen e.V. | ||||||
| Grundstr. 17 20257 Hamburg 040 497696 | Eco-Friendly Construction Hamburgcity map | call for free enter homepage | ||||
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