div class=trans-pagebutton class=gotoPage data-page=1Page 1button div class=trans-imagea href=https:reader043fdocumentsnetreader043viewer20220405025e2a71b074821d011c2e0ca3html5page1jpg target=_blank img data-url=document-b-ray-thtt-nghirn-trn-budng-knh-1-mm-udng-kinh-1-mm-dlfng-kinh-450htmlpage=1 data-page=1 class=trans-thumb lazyload alt=Page 1: tieuchuanvietnamcob ray thtt nghiërn tròn Budng kính 1 mm Ðudng kinh 1 mm DLfàng kinh 450 mm Ray thú nghiêm 1B dài dau tròn dúdc liêt kê trong a thúdng düdc dùng loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsnetreader043viewer20220405025e2a71b074821d011c2e0ca3html5thumbnails1jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=2Page 2button div class=trans-imagea href=https:reader043fdocumentsnetreader043viewer20220405025e2a71b074821d011c2e0ca3html5page2jpg target=_blank img data-url=document-b-ray-thtt-nghirn-trn-budng-knh-1-mm-udng-kinh-1-mm-dlfng-kinh-450htmlpage=2 data-page=2 class=trans-thumb lazyload alt=Page 2: tieuchuanvietnamcob ray thtt nghiërn tròn Budng kính 1 mm Ðudng kinh 1 mm DLfàng kinh 450 mm Ray thú nghiêm 1B dài dau tròn dúdc liêt kê trong a thúdng düdc dùng loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mM8Uw8AAh0BTZud3BwAAAAASUVORK5CYII= data-src=https:reader043fdocumentsnetreader043viewer20220405025e2a71b074821d011c2e0ca3html5thumbnails2jpg width=140 height=200 adivdivdiv class=trans-pagebutton class=gotoPage data-page=3Page 3button div class=trans-imagea href=https:reader043fdocumentsnetreader043viewer20220405025e2a71b074821d011c2e0ca3html5page3jpg target=_blank img data-url=document-b-ray-thtt-nghirn-trn-budng-knh-1-mm-udng-kinh-1-mm-dlfng-kinh-450htmlpage=3 data-page=3 class=trans-thumb lazyload alt=Page 3: tieuchuanvietnamcob ray thtt nghiërn tròn Budng kính 1 mm Ðudng kinh...