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发明名称
Vertical key draft yoke for railway cars
摘要
申请公布号
US2023651(A)
申请公布日期
1935.12.10
申请号
US19310551754
申请日期
1931.07.18
申请人
THE BUCKEYE STEEL CASTINGS COMPANY
发明人
STERTZBACH HARRY W.
分类号
B61G9/22
主分类号
B61G9/22
代理机构
代理人
主权项
地址
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