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发明名称
VARIALBE IMPEDANCE CIRCUIT FOR AUDIO MAGNETIC TAPE NOISE REDUCTION
摘要
申请公布号
KR1019900007034(B1)
申请公布日期
1990.09.27
申请号
KR1019820003008
申请日期
1982.07.06
申请人
发明人
分类号
主分类号
代理机构
代理人
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