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发明名称
Improvements in or relating to loudspeakers
摘要
申请公布号
GB378286(A)
申请公布日期
1932.08.11
申请号
GB19310032973
申请日期
1931.11.27
申请人
HAROLD LISTER KIRKE;ALFRED BERNARD HOWE;ARTHUR EDWIN BARRETT
发明人
分类号
H04R1/28
主分类号
H04R1/28
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代理人
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地址
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