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发明名称
Cellular back loud-speaker enclosure
摘要
申请公布号
GB829553(A)
申请公布日期
1960.03.02
申请号
GB19550033244
申请日期
1955.11.21
申请人
ARTHUR ADAMS
发明人
分类号
H04R1/28
主分类号
H04R1/28
代理机构
代理人
主权项
地址
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