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经营范围
发明名称
ELECTRODYNAMIC TRANSDUCER
摘要
申请公布号
RU2057399(C1)
申请公布日期
1996.03.27
申请号
RU19940011984
申请日期
1994.04.05
申请人
AO "AUDIO-PROFI"
发明人
SUMACHEV YURIJ N;FIRSOV IGOR O
分类号
H04R9/00;(IPC1-7):H04R9/00
主分类号
H04R9/00
代理机构
代理人
主权项
地址
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