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发明名称
Improvements in and Relating to Loudspeakers
摘要
申请公布号
GB2024563(A)
申请公布日期
1980.01.09
申请号
GB19780028237
申请日期
1978.06.28
申请人
IMF ELECTRONICS LTD
发明人
分类号
H04R1/22;H04R1/26;H04R1/40;(IPC1-7):H04R1/02
主分类号
H04R1/22
代理机构
代理人
主权项
地址
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