div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader042fdocumentpubreader042viewer20220412185e0707176a8dfe6db20aa939html5page1jpg target=_blank img data-url=document8132-2009pdf-rn5u-bng-vic-thm-cn-than-cc-luong-nh-axit-nitric-37htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: tieuchuanmardgovvntieuchuanmardgovvnDocumentsUploadsTCVN 8132-2009pdf · rn5u bång viëc thêm cén than các luong nhó axit nitric 37 cho tði khi hðn hop chuyén loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentpubreader042viewer20220412185e0707176a8dfe6db20aa939html5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader042fdocumentpubreader042viewer20220412185e0707176a8dfe6db20aa939html5page2jpg target=_blank img data-url=document8132-2009pdf-rn5u-bng-vic-thm-cn-than-cc-luong-nh-axit-nitric-37htmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: tieuchuanmardgovvntieuchuanmardgovvnDocumentsUploadsTCVN 8132-2009pdf · rn5u bång viëc thêm cén than các luong nhó axit nitric 37 cho tði khi hðn hop chuyén loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader042fdocumentpubreader042viewer20220412185e0707176a8dfe6db20aa939html5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader042fdocumentpubreader042viewer20220412185e0707176a8dfe6db20aa939html5page3jpg target=_blank img data-url=document8132-2009pdf-rn5u-bng-vic-thm-cn-than-cc-luong-nh-axit-nitric-37htmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: tieuchuanmardgovvntieuchuanmardgovvnDocumentsUploadsTCVN 8132-2009pdf · rn5u bång viëc thêm cén...