2007.10.18 242\D장애로 복사
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2007.11.30 _수정내역\20071130_level2_초급_15강\
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2007.12.21 _수정내역\20071221_level1_2_4_
2008.04.29 _수정내역\20080428_level1_level2
2008.04.30 _수정내역\20080430_level2_22c
2008.05.07 _수정내역\20080502_level2_15c
2008.06.10 _수정내역\20080609_level2_13c_17c_level4_16c_수정
2008.07.14 _수정내역\20080710_level1-level3
2008.08.13 _수정내역\20080813_level2_3_수정
2008.08.20 _수정내역\20080818_음성인식모듈업그레이드(20080730)
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