Created page with "File:Muldenlüftung Gaggenau C03-0129 001.jpg|alt=picture of the Gaggenau downdrift ventilation in the BSH wiki|thumb|Gaggenau downdrift ventilation, 1970s. (Source: BSH Cor..."
(Created page with "File:Muldenlüftung Gaggenau C03-0129 001.jpg|alt=picture of the Gaggenau downdrift ventilation in the BSH wiki|thumb|Gaggenau downdrift ventilation, 1970s. (Source: BSH Cor...")