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发明名称
Loudspeaker enclosures
摘要
申请公布号
US3112006(A)
申请公布日期
1963.11.26
申请号
US19610087909
申请日期
1961.02.08
申请人
ROBERTS ALFRED H
发明人
ROBERTS ALFRED H.
分类号
H04R1/28
主分类号
H04R1/28
代理机构
代理人
主权项
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