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发明名称
IP TELEPHONE SYSTEM AND CALLING METHOD
摘要
申请公布号
KR20060049269(A)
申请公布日期
2006.05.18
申请号
KR20050071161
申请日期
2005.08.03
申请人
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD.
发明人
KOBAYASHI KAZUTO;MIYAJIMA AKIRA
分类号
H04L12/66;H04M3/42;H04M11/06
主分类号
H04L12/66
代理机构
代理人
主权项
地址
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