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发明名称
Energy measuring system
摘要
申请公布号
US2242874(A)
申请公布日期
1941.05.20
申请号
US19400313509
申请日期
1940.01.12
申请人
RADIO CORPORATION OF AMERICA
发明人
USSELMAN GEORGE L.
分类号
G01R19/28
主分类号
G01R19/28
代理机构
代理人
主权项
地址
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