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发明名称
VOICE DATA LOSS VERIFYING DEVICE IN VOICE ANNOUNCEMENT APPARATUS
摘要
申请公布号
KR1019960016668(B1)
申请公布日期
1996.12.19
申请号
KR1019930028910
申请日期
1993.12.21
申请人
发明人
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主分类号
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