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发明名称
VALIDITY DETECTOR FOR RAILROAD CLASSIFICATION YARDS
摘要
申请公布号
CA684196(A)
申请公布日期
1964.04.14
申请号
CAD684196
申请日期
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
JAMES A. COOK, JR.
分类号
主分类号
代理机构
代理人
主权项
地址
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