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发明名称
Alternating current electromechanical transducers
摘要
申请公布号
US3206669(A)
申请公布日期
1965.09.14
申请号
US19610088051
申请日期
1961.02.09
申请人
BECKMAN INSTRUMENTS, INC.
发明人
SCHNEIDER STANLEY
分类号
H01F29/02;H03H7/24
主分类号
H01F29/02
代理机构
代理人
主权项
地址
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