div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=a4-2-oee-title-a42-author-auras09-created-date-6112013-15948htmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: A4 2 - 北海道大学Title A4_2 Author auras09 Created Date 6112013 1:59:48 PM loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader035vdocumentsusreader035viewer20220626106119fc3ec3b23e33344cd1cahtml5thumbnails1jpg width=140 height=200 divdiv