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发明名称
LOUDSPEAKERS
摘要
申请公布号
GB1520156(A)
申请公布日期
1978.08.02
申请号
GB19760008340
申请日期
1977.03.02
申请人
BRITISH BROADCASTING CORP.
发明人
分类号
H02H5/04;H03G3/20;H03G11/00;H04R3/00;H04R3/04;(IPC1-7):H04R3/00
主分类号
H02H5/04
代理机构
代理人
主权项
地址
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