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经营范围
发明名称
Radio communication apparatus capable of generating an audible tone controlled by a count of reception of a call signal.
摘要
申请公布号
EP0337693(B1)
申请公布日期
1994.10.26
申请号
EP19890303503
申请日期
1989.04.10
申请人
NEC CORPORATION
发明人
KUDOH, KAZUHIRO
分类号
H04Q7/14;G08B3/10;(IPC1-7):G08B3/10
主分类号
H04Q7/14
代理机构
代理人
主权项
地址
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