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发明名称
Running board for railway cars
摘要
申请公布号
US1889605(A)
申请公布日期
1932.11.29
申请号
US19300469963
申请日期
1930.07.23
申请人
ALAN WOOD STEEL COMPANY
发明人
JONES J RAYMOND
分类号
B61D23/00
主分类号
B61D23/00
代理机构
代理人
主权项
地址
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