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发明名称
Improvements in and relating to loudspeakers of the moving coil type
摘要
申请公布号
GB652678(A)
申请公布日期
1951.05.02
申请号
GB19470019658
申请日期
1947.07.22
申请人
BRITISH COMMUNICATIONS CORPORATION LIMITED;LUDOMIR DANILEWICZ
发明人
分类号
H04R9/06
主分类号
H04R9/06
代理机构
代理人
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