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发明名称
MEMBRANE DAMAGE PREVENTING APPARATUS FOR VCR
摘要
申请公布号
KR1019940001241(B1)
申请公布日期
1994.02.18
申请号
KR1019910011511
申请日期
1991.07.08
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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