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发明名称
ROUTE REPORTING SYSTEM FOR RAILROAD CLASSIFICATION YARDS
摘要
申请公布号
CA647487(A)
申请公布日期
1962.08.28
申请号
CAD647487
申请日期
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
SIH HSUIN TSIANG
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主分类号
代理机构
代理人
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