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发明名称
RAILWAY CAR TRUCK
摘要
申请公布号
CA390885(A)
申请公布日期
1940.08.20
申请号
CAD390885
申请日期
申请人
AMERICAN STEEL FOUNDRIES
发明人
WILLIAM C. HEDGCOCK
分类号
主分类号
代理机构
代理人
主权项
地址
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