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发明名称
Remote control system
摘要
申请公布号
US2435821(A)
申请公布日期
1948.02.10
申请号
US19470723739
申请日期
1947.01.23
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
ECKHARDT PAUL K.
分类号
B61L7/08
主分类号
B61L7/08
代理机构
代理人
主权项
地址
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