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发明名称
OFFICE/PRIVATE LINE MODE EXCHANGE METHOD AND DEVICE OF IT IN KEYPHONE SYSTEM
摘要
申请公布号
KR100210749(B1)
申请公布日期
1999.07.15
申请号
KR19960040723
申请日期
1996.09.18
申请人
DAEWOO TELECOM LTD.
发明人
BYUN, MYOUNG-JU
分类号
H04M9/00;(IPC1-7):H04M9/00
主分类号
H04M9/00
代理机构
代理人
主权项
地址
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