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发明名称
Communication apparatus connectable to switching network providing distinctive ringing pattern service
摘要
申请公布号
EP0642255(B1)
申请公布日期
2003.02.26
申请号
EP19940401935
申请日期
1994.08.31
申请人
CANON KABUSHIKI KAISHA
发明人
TACHIBANA, SHUNICHI;TAKEDA, TOMOYUKI;NAKAGAWA, KAORI;SATO, AKEMI
分类号
H04L12/64;H04M11/06;H04N1/32;H04N1/327;(IPC1-7):H04N1/32
主分类号
H04L12/64
代理机构
代理人
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