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发明名称
SPEAKER
摘要
申请公布号
KR910009115(A)
申请公布日期
1991.05.31
申请号
KR19890014586
申请日期
1989.10.12
申请人
LEE JEONG KI
发明人
LEE JEONG-KI
分类号
H04R9/02
主分类号
H04R9/02
代理机构
代理人
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