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发明名称
Railway truck device
摘要
申请公布号
US2290780(A)
申请公布日期
1942.07.21
申请号
US19400336172
申请日期
1940.05.20
申请人
GENERAL STEEL CASTINGS CORPORATION
发明人
TACK CARL E.
分类号
B61F5/12
主分类号
B61F5/12
代理机构
代理人
主权项
地址
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