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发明名称
Cathode-ray-type direction finder
摘要
申请公布号
US2213863(A)
申请公布日期
1940.09.03
申请号
US19370176487
申请日期
1937.11.26
申请人
PARKYN JEFFCOCK JOHN
发明人
JEFFCOCK JOHN PARKYN
分类号
G01S1/02
主分类号
G01S1/02
代理机构
代理人
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地址
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