div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: NLG DualSpin - Russfilter · cross-sectional flow areas almost completely prevent case of active scavenging NLG DualSpin Author: src=https:reader034fdocumentsinreader034viewer20220516015aca7ecb7f8b9a5d718e2f6bhtml5thumbnails1jpg 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: NLG DualSpin - Russfilter · cross-sectional flow areas almost completely prevent case of active scavenging NLG DualSpin Author: src=https:reader034fdocumentsinreader034viewer20220516015aca7ecb7f8b9a5d718e2f6bhtml5thumbnails2jpg 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: NLG DualSpin - Russfilter · cross-sectional flow areas almost completely prevent case of active scavenging NLG DualSpin Author: src=https:reader034fdocumentsinreader034viewer20220516015aca7ecb7f8b9a5d718e2f6bhtml5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdiv