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发明名称
Loudspeaker
摘要
申请公布号
US2160166(A)
申请公布日期
1939.05.30
申请号
US19370181196
申请日期
1937.12.22
申请人
PAUSIN HUGO R
发明人
PAUSIN HUGO R.
分类号
G10K11/02
主分类号
G10K11/02
代理机构
代理人
主权项
地址
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