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发明名称
Acoustic diaphragm and baffle
摘要
申请公布号
US2552309(A)
申请公布日期
1951.05.08
申请号
US19470779176
申请日期
1947.10.10
申请人
RADIO CORPORATION OF AMERICA
发明人
CARLSON WENDELL L.;BARTON LOY E.
分类号
H04R1/02;H04R1/28
主分类号
H04R1/02
代理机构
代理人
主权项
地址
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