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  COSMOS Certificate(2019_5 items)
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  [Certification] ISO9001:2015
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  [Certification] ISO14001:2015
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  [Patent] Korea Registration No.: 10-1980144
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  [Patent] Korea Registration No.: 10-1890725
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  [Patent] Korea Registration No.: 10-1703527
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  [Patent] Korea Registration No.: 10-1700105
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  [Patent] Korea Registration No.: 10-1695781
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  [Patent] Korea Registration No.: 10-1607503
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  [Certification] R&D center