div class=ts-pagebuttonPage 1button div class=ts-image a href=https:reader039vdocumentscoreader039viewer20220331215e523ea1f1617660896fbb63html5page1jpg target=_blank amp-img class=ts-thumb alt=Page 1: DE ACUERDO A NORMA BOLIVIANA NB-OI 1 40 Mpa Cemento portland con filer UNIDAD CEMENTOCAMBA NB-OII 260 minutos minutos m2kg grcm3 milímetros 184 252 315 42360 305 src=https:reader039vdocumentscoreader039viewer20220331215e523ea1f1617660896fbb63html5thumbnails1jpg width=142 height=106 layout=responsive amp-imga divdivdiv class=ts-pagebuttonPage 2button div class=ts-image a href=https:reader039vdocumentscoreader039viewer20220331215e523ea1f1617660896fbb63html5page2jpg target=_blank amp-img class=ts-thumb alt=Page 2: DE ACUERDO A NORMA BOLIVIANA NB-OI 1 40 Mpa Cemento portland con filer UNIDAD CEMENTOCAMBA NB-OII 260 minutos minutos m2kg grcm3 milímetros 184 252 315 42360 305 src=https:reader039vdocumentscoreader039viewer20220331215e523ea1f1617660896fbb63html5thumbnails2jpg width=142 height=106 layout=responsive amp-imga divdiv