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发明名称
SPEAKER CASE
摘要
申请公布号
KR790000508(Y1)
申请公布日期
1979.05.04
申请号
KR19780005050U
申请日期
1978.09.27
申请人
PAK SANG CHEOL
发明人
PAK SANG CHEOL
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主分类号
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