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发明名称
A RECORDING/PLAYING CIRCUIT
摘要
申请公布号
SG62984(G)
申请公布日期
1985.03.15
申请号
SG19840000629
申请日期
1984.09.01
申请人
HITACHI LIMITED
发明人
分类号
G11B20/02;G11B23/00;H03G9/02;(IPC1-7):H04B1/64
主分类号
G11B20/02
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