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发明名称
LOUDSPEAKER
摘要
申请公布号
KR910001433(B1)
申请公布日期
1991.03.05
申请号
KR19870013866
申请日期
1987.12.05
申请人
EWD ELECTRONIC WERKE DEUTSCHLAND GMBH.;ELECTRO TECHNIC EMAN GMBH.
发明人
EMAN JUERGEN;TILTE KARL-HEINZ
分类号
H04R1/22;H04R7/12;H04R7/16;H04R9/04;(IPC1-7):H04R9/04
主分类号
H04R1/22
代理机构
代理人
主权项
地址
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