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发明名称
Recording of electrical impulses
摘要
申请公布号
US2184548(A)
申请公布日期
1939.12.26
申请号
US19380215910
申请日期
1938.06.25
申请人
RADIO CORPORATION OF AMERICA
发明人
DIMMICK GLENN L.
分类号
G01D15/14
主分类号
G01D15/14
代理机构
代理人
主权项
地址
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