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发明名称
Art of tuning magnetostrictive elements
摘要
申请公布号
US2422425(A)
申请公布日期
1947.06.17
申请号
US19440565725
申请日期
1944.11.29
申请人
RADIO CORPORATION OF AMERICA
发明人
LANE ALBERT EDWARD
分类号
H04R15/00
主分类号
H04R15/00
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代理人
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