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发明名称
VORRICHTUNG ZUR WIEDERGABE VON STEREOPHONEN DARBIETUNGEN
摘要
申请公布号
DE7246057(U)
申请公布日期
1973.09.13
申请号
DE19720046057U
申请日期
1972.12.16
申请人
发明人
分类号
H04R5/02;(IPC1-7):H04R5/02
主分类号
H04R5/02
代理机构
代理人
主权项
地址
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