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发明名称
Frequency measuring system
摘要
申请公布号
US2131559(A)
申请公布日期
1938.09.27
申请号
US19350009675
申请日期
1935.03.06
申请人
BENDIX RADIO CORPORATION
发明人
GRANGER HAROLD
分类号
G01R23/00
主分类号
G01R23/00
代理机构
代理人
主权项
地址
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