<YONHAP PHOTO-1091> U.S President Donald Trump signs a Memorandum on Aluminum Imports and Threats to National Security in the Oval Office of the White House in Washington, DC, on April 27, 2017. Photo by Olivier Douliery/UPI/2017-04-28 04:40:00/ <저작권자 ⓒ 1980-2017 ㈜연합뉴스. 무단 전재 재배포 금지.>
U.S President Donald Trump signs a Memorandum on Aluminum Imports and Threats to National Security in the Oval Office of the White House in Washington, DC, on April 27, 2017. Photo by Olivier Douliery/UPI/2017-04-28 04:40:00/ <저작권자 ⓒ 1980-2017 ㈜연합뉴스. 무단 전재 재배포 금지.>

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