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发明名称
Remote control system
摘要
申请公布号
US1824592(A)
申请公布日期
1931.09.22
申请号
US19280301626
申请日期
1928.08.23
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
BROOKS CHARLES A.
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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