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发明名称
Remote control system
摘要
申请公布号
US2420093(A)
申请公布日期
1947.05.06
申请号
US19430514642
申请日期
1943.12.17
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
PLACE WILLARD P.
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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