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发明名称
Control of revolving beacons
摘要
申请公布号
US2008408(A)
申请公布日期
1935.07.16
申请号
US19300489811
申请日期
1930.10.20
申请人
WESTINGHOUSE ELECTRIC & MANUFACTURING COMPANY
发明人
THOMPSON HENRY H.
分类号
B64F1/20
主分类号
B64F1/20
代理机构
代理人
主权项
地址
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