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发明名称
Computer network telephone system
摘要
申请公布号
EP0781015(A3)
申请公布日期
2003.11.05
申请号
EP19960309022
申请日期
1996.12.11
申请人
SONY CORPORATION
发明人
OYAMA, AKIMASA;WATANABE, HIDEKAZU;ASAI, MASAHIRO;OZAWA, KAZUNORI
分类号
H04M1/00;H04L12/64;H04L29/06;H04L29/12;H04M1/253;H04M3/00;H04M3/38;H04M3/436;H04M7/00;H04M7/12;H04M11/06;(IPC1-7):H04L29/06
主分类号
H04M1/00
代理机构
代理人
主权项
地址
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