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发明名称
CARD SYSTEM WITH VOICE MESSAGE
摘要
申请公布号
KR200164882(Y1)
申请公布日期
2000.02.15
申请号
KR19990014296U
申请日期
1999.07.19
申请人
SEO, YOUNG SEOK
发明人
SEO, YOUNG SEOK
分类号
B42D25/21;G06F3/16;(IPC1-7):B42D15/10
主分类号
B42D25/21
代理机构
代理人
主权项
地址
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