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发明名称
RING RADIATOR FOR LOUDSPEAKERS
摘要
申请公布号
GB2099659(A)
申请公布日期
1982.12.08
申请号
GB19820015365
申请日期
1982.05.26
申请人
CELESTION INTERNATIONAL LTD
发明人
分类号
H04R7/12;H04R9/04;(IPC1-7):H04R9/04
主分类号
H04R7/12
代理机构
代理人
主权项
地址
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