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发明名称
Circuits for more nearly perfect sound reproduction
摘要
申请公布号
US2171048(A)
申请公布日期
1939.08.29
申请号
US19360098428
申请日期
1936.08.28
申请人
THE CROSLEY CORPORATION
发明人
ROCKWELL RONALD J.
分类号
H03G7/02
主分类号
H03G7/02
代理机构
代理人
主权项
地址
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