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发明名称
Electroacoustic transducer
摘要
申请公布号
US2566850(A)
申请公布日期
1951.09.04
申请号
US19460704485
申请日期
1946.10.19
申请人
BELL TELEPHONE LABORATORIES, INCORPORATED
发明人
MOTT EDWARD E.
分类号
H04R11/00
主分类号
H04R11/00
代理机构
代理人
主权项
地址
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