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经营范围
发明名称
Improvements in or relating to axles for railroad cars and the like and methods of making the same
摘要
申请公布号
GB549909(A)
申请公布日期
1942.12.14
申请号
GB19410010750
申请日期
1941.08.22
申请人
PITTSBURGH STEEL COMPANY
发明人
分类号
B21K1/06
主分类号
B21K1/06
代理机构
代理人
主权项
地址
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