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Keungil Tower Bldg., Suite 1503, 15th Floor
677-25, Yeoksam-dong, Gangnam-ku
Seoul
South Korea

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Тел.: +82 (0)2 6091 0280

Факс: +82 (0)2 6091 0450

Веб-сайт в Корее: http://www.ciena.kr