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<p style="text-align: left;"><span style="color: #45473c; background-color: #ffffff;" data-ke-size="size16"> A4 규격은 왜 210mm x 297mm라는 특이한 숫자로 정해졌을까? .</span></p><p style="text-align: left;"><span style="color: #45473c; background-color: #ffffff;" data-ke-size="size16">. <a href="https://youtu.be/eGNdWZwZkcI?si=CCAgRgZK4Z1_z09f" target="_blank" class="ke-link">https://youtu.be/eGNdWZwZkcI?si=CCAgRgZK4Z1_z09f</a></span></p><div class="figure-video" data-ke-type="video" data-video-url="https://www.youtube.com/watch?v=eGNdWZwZkcI" data-video-host="youtube" data-video-play-service="daum_cafe" data-video-width="869" data-video-height="489" data-ke-style="alignCenter" data-video-thumbnail="https://scrap.kakaocdn.net/dn/bClRli/hyUPy2zmrA/DCKIU26u9Pkuv9CmrSywtK/img.jpg?width=1280&height=720&face=0_0_1280_720" data-ke-mobile-mobileStyle="widthContent" data-video-origin-width="869" data-video-origin-height="489"><iframe src="https://www.youtube.com/embed/eGNdWZwZkcI" width="869" height="489" frameborder="0" scrolling="no" allowfullscreen=""></iframe><div class="figcaption"></div></div><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin"><img src="https://t1.daumcdn.net/cafeattach/1ZK4p/a34aa345fc1007078d2517f71677f0950fe95bd1" class="txc-image" width="10" height="6" data-img-src="https://t1.daumcdn.net/cafeattach/1ZK4p/a34aa345fc1007078d2517f71677f0950fe95bd1" data-origin-width="1280" data-origin-height="720"></div><p style="text-align: center;"><a style="color: #0070d1;" href="https://cafe.daum.net/Tipster" target="_top" class="ke-link"><span style="color: #45473c; background-color: #ffffff;" data-ke-size="size16">인생을 준비하는 사람들</span></a></p><div class="figure-img" data-ke-type="image" data-ke-style="alignCenter" data-ke-mobilestyle="widthOrigin" data-link="https://cafe.daum.net/Tipster" data-link-newwindow="_blank"><a href="https://cafe.daum.net/Tipster" target="_blank" class="ke-link"><img src="https://t1.daumcdn.net/cafeattach/1ZK4p/35e5fbe748fe94ab7095a7d3adb8eb68850d7407" data-img-src="https://t1.daumcdn.net/cafeattach/1ZK4p/35e5fbe748fe94ab7095a7d3adb8eb68850d7407" data-origin-width="151" data-origin-height="151"></a></div><p style="text-align: center;"><span style="color: #ffffff; background-color: #ffffff;" data-ke-size="size14"><a style="color: #0070d1; background-color: #e6f5ff;" href="http://harmonyband.com" target="_top" class="ke-link">#행사밴드</a> <a style="color: #0070d1;" href="http://harmonyband.com" target="_top" class="ke-link">#행사음향</a> <a style="color: #0070d1;" href="http://harmonyband.com" target="_top" class="ke-link">#모임파티</a> <a style="color: #0070d1;" href="http://harmonyband.com" target="_top" class="ke-link">#송년행사</a> <a style="color: #0070d1;" href="http://harmonyband.com" target="_top" class="ke-link">#출장밴드</a> <a style="color: #0070d1;" href="http://harmonyband.com" target="_top" class="ke-link">#오브리밴드</a> <a style="color: #0070d1;" href="http://harmonyband.com" target="_top" class="ke-link">#하모니밴드</a> </span><span data-ke-size="size14"><span style="color: #333333; background-color: #ffffff;" data-ke-size="size14"> </span></span></p><p style="text-align: center;"><span data-ke-size="size14"><a style="color: #0070d1;" href="https://cafe.daum.net/Tipster" target="_top" class="ke-link">#엘프919</a><span style="color: #ffffff; background-color: #ffffff;" data-ke-size="size14"> </span><a style="color: #0070d1;" href="https://cafe.daum.net/Tipster" target="_top" class="ke-link">#엘프910</a><span style="color: #ffffff; background-color: #ffffff;" data-ke-size="size14"> </span><a style="color: #0070d1;" href="https://cafe.daum.net/Tipster" target="_top" class="ke-link">#엘프909</a><span style="color: #ffffff; background-color: #ffffff;" data-ke-size="size14"> </span><a style="color: #0070d1;" href="https://cafe.daum.net/Tipster" target="_top" class="ke-link">#리얼마스터2</a> <a style="color: #0070d1;" href="https://cafe.daum.net/Tipster" target="_top" class="ke-link">#반주기</a><span style="color: #ffffff; background-color: #ffffff;"> </span><a style="color: #0070d1;" href="https://cafe.daum.net/Tipster" target="_top" class="ke-link">#엘프반주기</a><span style="color: #ffffff; background-color: #ffffff;"> </span><a style="color: #0070d1;" href="https://cafe.daum.net/Tipster" target="_top" class="ke-link">#리얼마스터</a><span style="color: #ffffff; background-color: #ffffff;"> </span></span></p>
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편의를 위해 연구한 사람들이 많습니다.