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发明名称
VIDEO RECORD PLAYER SWITCHING SYSTEM
摘要
申请公布号
KR1019800001019(B1)
申请公布日期
1980.09.22
申请号
KR1019760003030
申请日期
1976.12.08
申请人
发明人
分类号
主分类号
代理机构
代理人
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