div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: SIL IEC61508:2010 GBT 20438-2017 IEC62061:2010 src=https:reader034vdocumentscoreader034viewer20220511146277743785be532cc96458d7html5thumbnails1jpg 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: SIL IEC61508:2010 GBT 20438-2017 IEC62061:2010 src=https:reader034vdocumentscoreader034viewer20220511146277743785be532cc96458d7html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv