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发明名称
ONE'S HOME DIRECT SERVICE METHOD OF AN EXCHANGE SYSTEM
摘要
申请公布号
KR0146760(B1)
申请公布日期
1998.08.17
申请号
KR19950004846
申请日期
1995.03.09
申请人
KOREA ELECTRONICS & TELECOMMUNICATIONS RESEARCH INSTITUTE
发明人
SHIN, HYUN-SOON;LEE, YONG-KYUN
分类号
H04M1/27;H04M3/42;(IPC1-7):H04M3/42
主分类号
H04M1/27
代理机构
代理人
主权项
地址
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