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发明名称
LONG-DISTANCE-CALL TOLL DISPLAYING SYSTEM
摘要
申请公布号
KR940007131(Y1)
申请公布日期
1994.10.13
申请号
KR19890002641U
申请日期
1989.03.08
申请人
GOLDSTAR CO., LTD.
发明人
BAEK, IN - CHOL
分类号
H04M15/28;(IPC1-7):H04M15/28
主分类号
H04M15/28
代理机构
代理人
主权项
地址
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