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发明名称
Direct reading multifrequency generator
摘要
申请公布号
US2476840(A)
申请公布日期
1949.07.19
申请号
US19470794509
申请日期
1947.12.30
申请人
COLLINS RADIO COMPANY
发明人
COLANDER ROY E.
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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