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发明名称
Calibrating device
摘要
申请公布号
US2194414(A)
申请公布日期
1940.03.19
申请号
US19360070002
申请日期
1936.03.21
申请人
RADIO CORPORATION OF AMERICA
发明人
BATTERMANN LUDWIG A.
分类号
G05B23/00;H03L1/04
主分类号
G05B23/00
代理机构
代理人
主权项
地址
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