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发明名称
Improvements in or relating to loudspeakers and like sound reproducing devices
摘要
申请公布号
GB700888(A)
申请公布日期
1953.12.09
申请号
GB19510023167
申请日期
1951.10.04
申请人
GOODMANS INDUSTRIES LIMITED
发明人
NEWLAND EDWARD STANLEY
分类号
H04R7/12
主分类号
H04R7/12
代理机构
代理人
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