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发明名称
CALL SIGNAL CONTROL SYSTEM
摘要
申请公布号
JPH04200150(A)
申请公布日期
1992.07.21
申请号
JP19900335693
申请日期
1990.11.29
申请人
NEC CORP
发明人
TAGUCHI MASAYUKI;SHIBATA SHIGERU
分类号
H04M3/02
主分类号
H04M3/02
代理机构
代理人
主权项
地址
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