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经营范围
发明名称
Radar training apparatus for observers
摘要
申请公布号
US2932093(A)
申请公布日期
1960.04.12
申请号
US19550517569
申请日期
1955.06.23
申请人
LANG PAUL A
发明人
LANG PAUL A.
分类号
G09B9/54
主分类号
G09B9/54
代理机构
代理人
主权项
地址
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