div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: · ISO 50001 : 2011 DAkkS Deutsche Akkreditierungsstelle D-ZM-16074-01-OO Certificate registration no Valid from Valid until Date of certification DQS GmbH src=https:reader034fdocumentsusreader034viewer20220516015adfedb67f8b9ad66b8d8691html5thumbnails1jpg 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: · ISO 50001 : 2011 DAkkS Deutsche Akkreditierungsstelle D-ZM-16074-01-OO Certificate registration no Valid from Valid until Date of certification DQS GmbH src=https:reader034fdocumentsusreader034viewer20220516015adfedb67f8b9ad66b8d8691html5thumbnails2jpg 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: · ISO 50001 : 2011 DAkkS Deutsche Akkreditierungsstelle D-ZM-16074-01-OO Certificate registration no Valid from Valid until Date of certification DQS GmbH src=https:reader034fdocumentsusreader034viewer20220516015adfedb67f8b9ad66b8d8691html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv