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发明名称
TWO LINE CALLING SYSTEM
摘要
申请公布号
KR0133420(B1)
申请公布日期
1998.04.27
申请号
KR19940033980
申请日期
1994.12.13
申请人
LG ELECTRONICS CO.,LTD
发明人
CHOE, DONG-SUB
分类号
H04M1/72;(IPC1-7):H04M1/72
主分类号
H04M1/72
代理机构
代理人
主权项
地址
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