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发明名称
Car construction
摘要
申请公布号
US2183307(A)
申请公布日期
1939.12.12
申请号
US19370147274
申请日期
1937.06.09
申请人
THE YOUNGSTOWN STEEL DOOR COMPANY
发明人
DITCHFIELD FRANK
分类号
B61D17/04
主分类号
B61D17/04
代理机构
代理人
主权项
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