div class=ts-pagebuttonPage 1button div class=ts-image amp-img class=ts-thumb alt=Page 1: · NBR 71731982 ESTRUTURAL: Blocos vazado de concreto simples para alvenaria estrutural NBR 61362007 classes A B e C src=https:reader034vdocumentsmxreader034viewer20220522005bef8c1209d3f274038bc817html5thumbnails1jpg 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: · NBR 71731982 ESTRUTURAL: Blocos vazado de concreto simples para alvenaria estrutural NBR 61362007 classes A B e C src=https:reader034vdocumentsmxreader034viewer20220522005bef8c1209d3f274038bc817html5thumbnails2jpg width=142 height=106 layout=responsive amp-img divdiv