div class=ts-pagebutton class=gotoPage data-page=1Page 1button div class=ts-imageimg data-url=powerpoint-fffffff-kawaguchi-science-museum-12-title-powerpointhtmlpage=1 data-page=1 class=ts-thumb lazyload alt=Page 1: PowerPoint プレゼンテーションKawaguchi Science Museum 12 Title PowerPoint プレゼンテーション Author 渡邉 博士 Created Date 5222019 2:17:49 PM loading=lazy src=data:imagegifbase64iVBORw0KGgoAAAANSUhEUgAAAAIAAAACCAQAAADYv8WvAAAAD0lEQVR42mP8X8AwAgiABKBAv+vAXklAAAAAElFTkSuQmCC data-src=https:reader034vdocumentocomreader034viewer20220505005f92c2de50f97b7c073d31dfhtml5thumbnails1jpg width=140 height=200 divp2019pdiv