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发明名称
PIEZO FILM SPEAKER
摘要
申请公布号
KR910003627(Y1)
申请公布日期
1991.05.31
申请号
KR19860011595U
申请日期
1986.07.31
申请人
SAM SUNG ELECTRONICS PARTS CO.,LTD.
发明人
LEE KAE-SOO
分类号
H04R17/00;(IPC1-7):H04R17/00
主分类号
H04R17/00
代理机构
代理人
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