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发明名称
Remote controlling apparatus
摘要
申请公布号
US1998178(A)
申请公布日期
1935.04.16
申请号
US19330684678
申请日期
1933.08.11
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
WALLACE HERBERT A.
分类号
B61L23/22
主分类号
B61L23/22
代理机构
代理人
主权项
地址
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