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发明名称
Method of and device for retracking rail vehicles
摘要
申请公布号
US2451042(A)
申请公布日期
1948.10.12
申请号
US19450631602
申请日期
1945.11.29
申请人
THE PENNSYLVANIA RAILROAD COMPANY
发明人
NANCARROW HARRY L.;WILSON ALLEN R.
分类号
B61K5/06
主分类号
B61K5/06
代理机构
代理人
主权项
地址
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