div class=trans-pagebuttonPage 1button div class=trans-image amp-img class=trans-thumb alt=Page 1: 2 Basic guidelines in selection of Secondary beams and aeroconenterprisescomAreoconPanelMezzaninepdf2 Basic guidelines in selection of Secondary beams and Spacings DSIR National src=https:reader034fdocumentsusreader034viewer20220421215e9bc8ff4f1aed4db347f477html5thumbnails1jpg 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: 2 Basic guidelines in selection of Secondary beams and aeroconenterprisescomAreoconPanelMezzaninepdf2 Basic guidelines in selection of Secondary beams and Spacings DSIR National src=https:reader034fdocumentsusreader034viewer20220421215e9bc8ff4f1aed4db347f477html5thumbnails2jpg 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: 2 Basic guidelines in selection of Secondary beams and aeroconenterprisescomAreoconPanelMezzaninepdf2 Basic guidelines in selection of Secondary beams and Spacings DSIR National src=https:reader034fdocumentsusreader034viewer20220421215e9bc8ff4f1aed4db347f477html5thumbnails3jpg width=142 height=106 layout=responsive amp-img divdivdiv class=trans-pagebuttonPage 4button div class=trans-image amp-img class=trans-thumb alt=Page 4: 2 Basic guidelines in selection of Secondary beams and aeroconenterprisescomAreoconPanelMezzaninepdf2 Basic guidelines in selection of Secondary beams and Spacings DSIR National src=https:reader034fdocumentsusreader034viewer20220421215e9bc8ff4f1aed4db347f477html5thumbnails4jpg width=142 height=106 layout=responsive amp-img divdiv