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发明名称
Measuring apparatus
摘要
申请公布号
US2517589(A)
申请公布日期
1950.08.08
申请号
US19450602452
申请日期
1945.06.30
申请人
FEDERAL TELEPHONE AND RADIO CORPORATION
发明人
MULLER FRED A.
分类号
G01R27/04;H04B3/46
主分类号
G01R27/04
代理机构
代理人
主权项
地址
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