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经营范围
发明名称
Structure for swingably supporting and for elevating railroad spreader main wing
摘要
申请公布号
US2906041(A)
申请公布日期
1959.09.29
申请号
US19540459245
申请日期
1954.09.30
申请人
O. F. JORDAN COMPANY
发明人
SHIPLEY CALVIN W.;HART WILLIAM T.
分类号
E01B27/02
主分类号
E01B27/02
代理机构
代理人
主权项
地址
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