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发明名称
Convertible railway freight car
摘要
申请公布号
US2009895(A)
申请公布日期
1935.07.30
申请号
US19340754770
申请日期
1934.11.26
申请人
MADDEN CHARLES L;HERSEY ARTHUR J
发明人
MADDEN CHARLES L.;HERSEY ARTHUR J.
分类号
B61D3/00
主分类号
B61D3/00
代理机构
代理人
主权项
地址
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