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发明名称
DEVICE FOR FORMING CALL SIGNAL
摘要
申请公布号
SU1448416(A1)
申请公布日期
1988.12.30
申请号
SU19833592867
申请日期
1983.05.13
申请人
RIZHSKOE OTDEL TSNII SVYAZI
发明人
MOISEEV GENNADIJ L,SU;KRYLOV VYACHESLAV G,SU
分类号
H04M19/02
主分类号
H04M19/02
代理机构
代理人
主权项
地址
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