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发明名称
Box car construction
摘要
申请公布号
US1920455(A)
申请公布日期
1933.08.01
申请号
US19310539506
申请日期
1931.05.23
申请人
ZAUN GEORGE F
发明人
ZAUN GEORGE F.
分类号
B61D27/00
主分类号
B61D27/00
代理机构
代理人
主权项
地址
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