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发明名称
Loudspeaker unit
摘要
申请公布号
US2096192(A)
申请公布日期
1937.10.19
申请号
US19370151409
申请日期
1937.07.01
申请人
MOORE ASTON L
发明人
MOORE ASTON L.
分类号
H04R1/32
主分类号
H04R1/32
代理机构
代理人
主权项
地址
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