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发明名称
COMBINED MANUAL AND AUTOMATIC ROUTE CONTROL SYSTEMS FOR RAILROADS
摘要
申请公布号
CA578580(A)
申请公布日期
1959.06.30
申请号
CAD578580
申请日期
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
PAUL N. MARTIN
分类号
主分类号
代理机构
代理人
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地址
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