div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: Materials Science and Technology Empa CH-8600 Dübendorf Uberlandstrasse 129 Téléphone +41 58 765 11 11 a Materials Science and Technology CERTIFICAT Nersam 500 S NP No du src=https:reader036vdocumentinreader036viewer202207121460434d11aee7157f3338a223html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdiv