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发明名称
ROTATING HEAD DRUM FOR MAGNETIC RECORDING APPARATUS
摘要
申请公布号
KR1019940011678(B1)
申请公布日期
1994.12.23
申请号
KR1019920010784
申请日期
1992.06.20
申请人
发明人
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主分类号
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代理人
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