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发明名称
摘要
申请公布号
KR100472158(B1)
申请公布日期
2005.08.29
申请号
KR19970704295
申请日期
1997.06.23
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发明人
分类号
(IPC1-7):H04H1/00
主分类号
(IPC1-7):H04H1/00
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