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经营范围
发明名称
Cone loudspeakers.
摘要
申请公布号
EP0235991(B1)
申请公布日期
1993.12.01
申请号
EP19870301271
申请日期
1987.02.13
申请人
CELESTION INTERNATIONAL LIMITED
发明人
WHITE, IAN STANLEY
分类号
H04R7/12;H04R9/02;(IPC1-7):H04R7/12
主分类号
H04R7/12
代理机构
代理人
主权项
地址
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