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发明名称
Servo system derivative generator
摘要
申请公布号
US2497216(A)
申请公布日期
1950.02.14
申请号
US19450619241
申请日期
1945.09.28
申请人
RADIO CORPORATION OF AMERICA
发明人
GREENOUGH MAURICE LEIGHTON
分类号
G05D3/14
主分类号
G05D3/14
代理机构
代理人
主权项
地址
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