div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=2017-ol-2017ol-created-date-8222017-105811-amhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: 2017 ol - 北海道大学 · PDF fileTitle: 2017_ol Created Date: 8222017 10:58:11 AM loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader030vdocumentsmxreader030viewer20220215045a902ffd7f8b9abb068df559html5thumbnails1jpg width=140 height=200 divdiv