div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imageimg data-url=documenttcvn-2017-8-12-tcvn-112212015-li-ni-du-tcvn-112212015-hon-ton-tucnghtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: TCVN · 2017 8 12 · TCVN 11221:2015 Lèi nói dàu TCVN 11221:2015 hoàn toàn tucng duong ISO 559:1991 TCVN 11221:2015 do Ban kÿ thuat tiêu chuan quóc gia TCVNTC 5 óng loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer2022060706607234ea766c9d360c46d130html5thumbnails1jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imageimg data-url=documenttcvn-2017-8-12-tcvn-112212015-li-ni-du-tcvn-112212015-hon-ton-tucnghtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: TCVN · 2017 8 12 · TCVN 11221:2015 Lèi nói dàu TCVN 11221:2015 hoàn toàn tucng duong ISO 559:1991 TCVN 11221:2015 do Ban kÿ thuat tiêu chuan quóc gia TCVNTC 5 óng loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer2022060706607234ea766c9d360c46d130html5thumbnails2jpg width=140 height=200 divdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imageimg data-url=documenttcvn-2017-8-12-tcvn-112212015-li-ni-du-tcvn-112212015-hon-ton-tucnghtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: TCVN · 2017 8 12 · TCVN 11221:2015 Lèi nói dàu TCVN 11221:2015 hoàn toàn tucng duong ISO 559:1991 TCVN 11221:2015 do Ban kÿ thuat tiêu chuan quóc gia TCVNTC 5 óng loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader033fdocumentsinreader033viewer2022060706607234ea766c9d360c46d130html5thumbnails3jpg...