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经营范围
发明名称
Frequency meter
摘要
申请公布号
US2681434(A)
申请公布日期
1954.06.15
申请号
US19510214321
申请日期
1951.03.07
申请人
BOONTON RADIO CORPORATION
发明人
WHEELER HAROLD A.
分类号
G01R23/04
主分类号
G01R23/04
代理机构
代理人
主权项
地址
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