div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader039fdocumentsnetreader039viewer20220218175a8db23b7f8b9abb068cb417html5page1jpg target=_blank img data-url=documentcomit-de-normalizacin-de-petrleos-mexicanos-y-organismos-subsidiarios-diseo-de-estructurashtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: · PDF filePEMEX Comité de Normalización de Petróleos Mexicanos y Organismos Subsidiarios DISEÑO DE ESTRUCTURAS DE CONCRETO HOJA DE APROBACIÓN NRF-138-PEMEX-2006 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsnetreader039viewer20220218175a8db23b7f8b9abb068cb417html5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader039fdocumentsnetreader039viewer20220218175a8db23b7f8b9abb068cb417html5page2jpg target=_blank img data-url=documentcomit-de-normalizacin-de-petrleos-mexicanos-y-organismos-subsidiarios-diseo-de-estructurashtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: · PDF filePEMEX Comité de Normalización de Petróleos Mexicanos y Organismos Subsidiarios DISEÑO DE ESTRUCTURAS DE CONCRETO HOJA DE APROBACIÓN NRF-138-PEMEX-2006 loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader039fdocumentsnetreader039viewer20220218175a8db23b7f8b9abb068cb417html5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader039fdocumentsnetreader039viewer20220218175a8db23b7f8b9abb068cb417html5page3jpg target=_blank img data-url=documentcomit-de-normalizacin-de-petrleos-mexicanos-y-organismos-subsidiarios-diseo-de-estructurashtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: · PDF filePEMEX Comité...