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发明名称
METHOD FOR ANNOUNCING A DIAL TONE IN A KEYPHONE SYSTEM, PARTICULARLY WITH REGARDS TO ANNOUNCING THE DIAL TONE PROVIDED TO AN EXTENSION SUBSCRIBER, THROUGH A VOICE
摘要
申请公布号
KR100498913(B1)
申请公布日期
2005.06.23
申请号
KR19980016267
申请日期
1998.05.07
申请人
SAMSUNG ELECTRONICS CO., LTD.
发明人
HONG, UN PYO
分类号
H04M3/42;(IPC1-7):H04M3/42
主分类号
H04M3/42
代理机构
代理人
主权项
地址
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