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经营范围
发明名称
Hopper car
摘要
申请公布号
US1985380(A)
申请公布日期
1934.12.25
申请号
US19300482034
申请日期
1930.09.15
申请人
GENERAL STEEL CASTINGS CORPORATION
发明人
PFLAGER HARRY M.;HALLQUIST EINAR G.
分类号
B61D7/00
主分类号
B61D7/00
代理机构
代理人
主权项
地址
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