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发明名称
TRAIN CONTROL APPARATUS
摘要
申请公布号
CA304388(A)
申请公布日期
1930.09.30
申请号
CAD304388
申请日期
申请人
THE CANADIAN WESTINGHOUSE COMPANY
发明人
THOMAS H. THOMAS
分类号
主分类号
代理机构
代理人
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地址
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