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发明名称
Method of and apparatus for making measurements at ultra high frequencies
摘要
申请公布号
US2191277(A)
申请公布日期
1940.02.20
申请号
US19380230245
申请日期
1938.09.16
申请人
RADIO CORPORATION OF AMERICA
发明人
GEORGE RALPH W.
分类号
G01R27/32
主分类号
G01R27/32
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