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发明名称
Improvements in and relating to moving coil loudspeakers
摘要
申请公布号
GB446673(A)
申请公布日期
1936.04.30
申请号
GB19340031211
申请日期
1934.10.31
申请人
FERRANTI, LIMITED;ALBERT BENNETT
发明人
分类号
H04R9/04
主分类号
H04R9/04
代理机构
代理人
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