div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=chung-nhan-hd-khcnpdf-cong-xf-hoi-nghoea-vit-nam-cong-hoa-chu-khoa-hoc-vhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: CHUNG NHAN HD KHCNpdfcong xà hoi nghÌa viÊt nam cong hoa chu khoa hoc vÀ cong nghÊ Úy bÅn nhÂn dan tinh bÌnh duong sÖ khoa hqc vÀ cong chÜng ÐÄng kÝ hoat Ðqng loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220417205e4e554c40c8ad48bc22ce0chtml5thumbnails1jpg width=140 height=200 divdivdiv class=ts-pagebutton class=gotoPage data-page=2Page 2button div class=ts-imageimg data-url=chung-nhan-hd-khcnpdf-cong-xf-hoi-nghoea-vit-nam-cong-hoa-chu-khoa-hoc-vhtmlpage=2 data-page=2 class=ts-thumb lazyload alt=Page 2: CHUNG NHAN HD KHCNpdfcong xà hoi nghÌa viÊt nam cong hoa chu khoa hoc vÀ cong nghÊ Úy bÅn nhÂn dan tinh bÌnh duong sÖ khoa hqc vÀ cong chÜng ÐÄng kÝ hoat Ðqng loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader033vdocumentsnetreader033viewer20220417205e4e554c40c8ad48bc22ce0chtml5thumbnails2jpg width=140 height=200 divdiv