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发明名称
Automatic train control
摘要
申请公布号
US2088767(A)
申请公布日期
1937.08.03
申请号
US19280285449
申请日期
1928.06.14
申请人
THE UNION SWITCH & SIGNAL COMPANY
发明人
SIMMEN PAUL J.
分类号
B61L25/06
主分类号
B61L25/06
代理机构
代理人
主权项
地址
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