2000.10
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2000.12
Àü¹®°Ç¼³¾÷(½Ç³»°ÇÃà°ø»ç¾÷)¸éÇãÃëµæ
2005.12
ISO 9001(ǰÁú°ü¸®½Ã½ºÅÛ) ÀÎÁõ Ãëµæ
2006.11
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2008.10
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