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发明名称
Three-dimensional indicator tube and circuit therefor
摘要
申请公布号
US2604607(A)
申请公布日期
1952.07.22
申请号
US19450631455
申请日期
1945.11.28
申请人
HOWELL FRED S
发明人
HOWELL FRED S.
分类号
G01S7/04
主分类号
G01S7/04
代理机构
代理人
主权项
地址
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