스미토모 금속공업: 두 판 사이의 차이

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==외부링크==
{{Commons category|Sumitomo Metal Industries}}
* [http://www.sumitomometals.co.jp/e/ Sumitomo Metal Industries, Ltd.] {{언어고리|en icon}}
* [http://www.referenceforbusiness.com/history2/79/Sumitomo-Metal-Industries-Ltd.html#ixzz2xGverwCD Information about Sumitomo Metal Industries]