div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: Certificate GF1 Dungs - Valve de gaz · Josef-Wirmer-Straße 1-3 D-53123 Bonn Telefon +49 228 91 88 807 Telefax +49 228 91 88 993 DVGW CERTIFICATE The Certification Body src=https:reader033fdocumenticomreader033viewer20220603025f0897cf7e708231d422c680html5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 2button div class=trans-image amp-img class=trans-thumb alt=Page 2: Certificate GF1 Dungs - Valve de gaz · Josef-Wirmer-Straße 1-3 D-53123 Bonn Telefon +49 228 91 88 807 Telefax +49 228 91 88 993 DVGW CERTIFICATE The Certification Body src=https:reader033fdocumenticomreader033viewer20220603025f0897cf7e708231d422c680html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 3button div class=trans-image amp-img class=trans-thumb alt=Page 3: Certificate GF1 Dungs - Valve de gaz · Josef-Wirmer-Straße 1-3 D-53123 Bonn Telefon +49 228 91 88 807 Telefax +49 228 91 88 993 DVGW CERTIFICATE The Certification Body src=https:reader033fdocumenticomreader033viewer20220603025f0897cf7e708231d422c680html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv