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发明名称
CORRECTOR OF FREQUENCY CHARACTERISTICS OF STANDARD VOICE-FREQUENCY CHANNELS
摘要
申请公布号
SU809587(A2)
申请公布日期
1981.02.28
申请号
SU19792750167
申请日期
1979.04.10
申请人
BERKOVICH DAVID A,SU;DOBROER VLADIMIR S,SU;KONDRATEV VLADIMIR M,SU;BELYAEV LEONID V,SU
发明人
BERKOVICH DAVID A,SU;DOBROER VLADIMIR S,SU;KONDRATEV VLADIMIR M,SU;BELYAEV LEONID V,SU
分类号
H04B3/04;(IPC1-7):H04B3/04
主分类号
H04B3/04
代理机构
代理人
主权项
地址
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