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发明名称
Rail car panel
摘要
申请公布号
US2657645(A)
申请公布日期
1953.11.03
申请号
US19470789983
申请日期
1947.12.05
申请人
AMERICAN CAR AND FOUNDRY COMPANY
发明人
ECOFF FRANCIS A.
分类号
B61D17/18
主分类号
B61D17/18
代理机构
代理人
主权项
地址
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