Photo de stock - Germany, Gelsenkirchen, The Laboratory and Service Center (LSC) of the Fraunhofer Institute for Solar Energy Systems. Measuring tubes on diffusion furnace. - GELSENKIRCHEN, GERMANY, 26/06/2013

Photo de stock: Germany, Gelsenkirchen, The Laboratory and Service Center (LSC) of the Fraunhofer Institute for Solar Energy Systems. Measuring tubes on diffusion furnace.

Mots-clés utilisés

Choisir des mots clés multiples