div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: 1090-2_2008pdf · ISO 4063 and material groups acc to ISOTR 15608 Responsible Welding Coordination Deputy Confirmation Valid start Date of the first issue Period of validity src=https:reader031vdocumentsnetreader031viewer20220216055e344940e5adae29346b1bbdhtml5thumbnails1jpg width=142 height=106 layout=responsive amp-img divdivdiv class=ts-pagebuttonPage 2button div class=ts-image amp-img class=ts-thumb alt=Page 2: 1090-2_2008pdf · ISO 4063 and material groups acc to ISOTR 15608 Responsible Welding Coordination Deputy Confirmation Valid start Date of the first issue Period of validity src=https:reader031vdocumentsnetreader031viewer20220216055e344940e5adae29346b1bbdhtml5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv