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发明名称
Hatch frame
摘要
申请公布号
US2190690(A)
申请公布日期
1940.02.20
申请号
US19370128551
申请日期
1937.03.01
申请人
YOUNGSTOWN STEEL CAR CORPORATION
发明人
WILKOFF LOUIS C.
分类号
B61D17/16
主分类号
B61D17/16
代理机构
代理人
主权项
地址
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