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发明名称
Hopper car discharge apparatus
摘要
申请公布号
US3306675(A)
申请公布日期
1967.02.28
申请号
US19640354843
申请日期
1964.03.26
申请人
UNION TANK CAR COMPANY
发明人
FRITZ WILLIAM E.
分类号
B60P1/56
主分类号
B60P1/56
代理机构
代理人
主权项
地址
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