div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader042fdokumencomreader042viewer20220412235e0d8549e6c1b52940032033html5page1jpg target=_blank img data-url=documenttcvn-1481-2009-do-ban-k-thut-tiu-chuan-quc-gia-tcvntc-4-ln-bin-soanhtmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: vanbanphapluatco · TCVN 1481 : 2009 do Ban kÿ thuêt tiêu chuan quóc gia TCVNTC 4 lån biên soan Tðng cuc Tiêu chuån Ðo ILFðng Chát lugng dè nghi Bê Khoa hoc và loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdokumencomreader042viewer20220412235e0d8549e6c1b52940032033html5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader042fdokumencomreader042viewer20220412235e0d8549e6c1b52940032033html5page2jpg target=_blank img data-url=documenttcvn-1481-2009-do-ban-k-thut-tiu-chuan-quc-gia-tcvntc-4-ln-bin-soanhtmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: vanbanphapluatco · TCVN 1481 : 2009 do Ban kÿ thuêt tiêu chuan quóc gia TCVNTC 4 lån biên soan Tðng cuc Tiêu chuån Ðo ILFðng Chát lugng dè nghi Bê Khoa hoc và loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdokumencomreader042viewer20220412235e0d8549e6c1b52940032033html5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader042fdokumencomreader042viewer20220412235e0d8549e6c1b52940032033html5page3jpg target=_blank img data-url=documenttcvn-1481-2009-do-ban-k-thut-tiu-chuan-quc-gia-tcvntc-4-ln-bin-soanhtmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: vanbanphapluatco · TCVN 1481 : 2009 do Ban kÿ thuêt tiêu chuan quóc gia TCVNTC...