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发明名称
FILMMEMBRAN-LAUTSPRECHER
摘要
申请公布号
DE3731132(A1)
申请公布日期
1988.03.24
申请号
DE19873731132
申请日期
1987.09.16
申请人
SAMSUNG ELECTRO - MECHANICS CO.,LTD.
发明人
SOO LEE,KYE
分类号
H04R7/04;H04R17/00;(IPC1-7):H04R17/00
主分类号
H04R7/04
代理机构
代理人
主权项
地址
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