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작성일 : 20-09-17 10:47
Researchgate 지도 by David H. Kavanaugh
 글쓴이 : 용인외대부고장…
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https://www.researchgate.net/figure/Map-of-the-Sea-of-Japan-and-adjacent-land-areas-showing-the-known-geographical_fig5_44176257