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发明名称
Directive receiving system and apparatus
摘要
申请公布号
US2855597(A)
申请公布日期
1958.10.07
申请号
US19540451402
申请日期
1954.08.23
申请人
RICHARDSON ARTHUR A
发明人
RICHARDSON ARTHUR A.
分类号
G01S1/02;G01S19/09;G01S19/23;G01S19/36;G01S19/46
主分类号
G01S1/02
代理机构
代理人
主权项
地址
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