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发明名称
Distance measuring apparatus
摘要
申请公布号
US2422157(A)
申请公布日期
1947.06.10
申请号
US19420452990
申请日期
1942.07.31
申请人
RADIO CORPORATION OF AMERICA
发明人
WOLFF IRVING
分类号
G01S1/02;G01S13/34;G01S19/04;G01S19/10;G01S19/44
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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