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发明名称
Box car door
摘要
申请公布号
US1885146(A)
申请公布日期
1932.11.01
申请号
US19290396483
申请日期
1929.10.01
申请人
NATIONAL MALLEABLE AND STEEL CASTINGS COMPANY
发明人
SHAFER JAMES A.
分类号
B61D19/00
主分类号
B61D19/00
代理机构
代理人
主权项
地址
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