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发明名称
摘要
申请公布号
DE2451650(B2)
申请公布日期
1979.10.04
申请号
DE19742451650
申请日期
1974.10.30
申请人
K.K. AUDIO-TECHNICA, MACHIDA, TOKIO (JAPAN)
发明人
NEMOTO, MITSUO, MACHIDA, TOKIO (JAPAN)
分类号
H04R11/08;H04R1/16;H04R1/18;H04R11/12;(IPC1-7):H04R11/12
主分类号
H04R11/08
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代理人
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