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发明名称
EXCHANGE TRUNK DEVICE
摘要
申请公布号
KR0116917(Y1)
申请公布日期
1998.06.01
申请号
KR19930029329U
申请日期
1993.12.23
申请人
LG INFROMATION & COMMUNICATION CO.,LTD
发明人
PARK, ILL;JANG, YOUNG-WAN
分类号
H04M3/22;(IPC1-7):H04M3/22
主分类号
H04M3/22
代理机构
代理人
主权项
地址
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