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经营范围
发明名称
COAXIAL LOUD SPEAKER
摘要
申请公布号
EP0242856(B1)
申请公布日期
1992.01.15
申请号
EP19870105855
申请日期
1987.04.21
申请人
DEUBLE, THOMAS
发明人
DEUBLE, THOMAS
分类号
H04R1/24;H04R9/02
主分类号
H04R1/24
代理机构
代理人
主权项
地址
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