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发明名称
MULTI-FREQUENCY SIGNAL SENDING SYSTEM
摘要
申请公布号
JPH05111062(A)
申请公布日期
1993.04.30
申请号
JP19910266611
申请日期
1991.10.16
申请人
NEC CORP
发明人
ENDO OSAMU
分类号
H04B14/02;H04Q1/45;H04Q3/58
主分类号
H04B14/02
代理机构
代理人
主权项
地址
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