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发明名称
Feedback method and system for electromechanical devices
摘要
申请公布号
US2357623(A)
申请公布日期
1944.09.05
申请号
US19430488606
申请日期
1943.05.26
申请人
RADIO CORPORATION OF AMERICA
发明人
ALBIN FREDERICK GEORGE
分类号
G11B7/00
主分类号
G11B7/00
代理机构
代理人
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