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发明名称
Streamlined closure for rail cars
摘要
申请公布号
US2090492(A)
申请公布日期
1937.08.17
申请号
US19360057244
申请日期
1936.01.02
申请人
AMERICAN CAR AND FOUNDRY COMPANY
发明人
UDSTAD SIGVALD F.
分类号
B61D17/20
主分类号
B61D17/20
代理机构
代理人
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地址
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